Publications

Showing 1 - 342 of 342 Results

  • Chiabrera, Francesco M.; Baiutti, Federico; Börgers, Jacqueline M.; Harrington, George F.; Yedra, Lluís; Liedke, Maciej O.; Kler, Joe; Nandi, Pranjal; Sirvent, Juan de Dios; Santiso, Jose; López-Haro, Miguel; Calvino, José J.; Estradé, Sonia; Butterling, Maik; Wagner, Andreas; Peiró, Francesca; De Souza, Roger; Tarancón, Albert
    The impact of Mn nonstoichiometry on the oxygen mass transport properties of La 0.8 Sr 0.2 Mn y O 3±δ thin films
    JPhys energy, 4, 4, 044011 (2022)
    [DOI: 10.1088/2515-7655/ac98df]
  • Nietsch, Jürgen Andreas; Gouverneur, Moritz; Schwab, Christian; Bailly, David; Martin, Manfred; Hirt, Gerhard
    Bonding Experiments at Elevated Temperatures: The Effect of the Sample Storage Time on the Bond Strength of Metals
    Steel research international, 2200462 (2022)
    [DOI: 10.1002/srin.202200462]
  • Kler, Joe
    Ion transport across phase boundaries in strontium titanate
    (2022)
    [DOI: 10.18154/RWTH-2022-09778]
  • Schütt, Judith; Pescher, Fiona; Neitzel-Grieshammer, Steffen Paul
    The origin of high Na+ ion conductivity in Na1+xZr2SixP3−xO12 NASICON materials
    Physical chemistry, chemical physics : PCCP, 24, 36, 22154-22167 (2022)
    [DOI: 10.1039/D2CP03621E]
  • Hou, Hui; Mariani, Alessandro; Suo, Yanpeng; Gao, Xinpei; Giffin, Jürgen; Rodenbücher, Christian; Passerini, Stefano; Korte, Carsten
    Tuning Polybenzimidazole Membrane by Immobilizing a Novel Ionic Liquid with Superior Oxygen Reduction Reaction Kinetics
    Chemistry of materials, 34, 10, 4298-4310 (2022)
    [DOI: 10.1021/acs.chemmater.1c03819]
  • Nickel, Anne Catherine; Kratzenberg, Timon Lorenz Josef; Bochenek, Steffen; Schmidt, Maximilian; Rudov, Andrey A.; Falkenstein, Andreas; Potemkin, Igor I.; Crassous, Jérôme Joseph Emile; Richtering, Walter
    Anisotropic Microgels Show Their Soft Side
    Langmuir : the ACS journal of surfaces and colloids, 38, 17, 5063-5080 (2021)
    [DOI: 10.1021/acs.langmuir.1c01748]
  • Draber, Fabian Michael; Denninger, Johannes R.; Müller, Peter C.; Sommerfeld, Isabel K.; Martin, Manfred
    The Impact of Nanoscale Percolation in Yttrium-Doped BaZrO3 on the Oxygen Ion and Proton Conductivities : A Density Functional Theory and Kinetic Monte Carlo Study
    Advanced energy & sustainability research, 3, 8, 2200007 (2022)
    [DOI: 10.1002/aesr.202200007]
  • Kler, Joe; De Souza, Roger
    Hydration Entropy and Enthalpy of a Perovskite Oxide from Oxygen Tracer Diffusion Experiments
    The journal of physical chemistry letters, 13, 18, 4133-4138 (2022)
    [DOI: 10.1021/acs.jpclett.2c00970]
  • Kemp, Dennis; Tarancón, Albert; De Souza, Roger
    Recipes for superior ionic conductivities in thin-film ceria-based electrolytes
    Physical chemistry, chemical physics : PCCP, 24, 21, 12926-12936 (2022)
    [DOI: 10.1039/d2cp01335e]
  • Mann, Markus; Schwab, Christian; Ihrig, Martin; Finsterbusch, Martin; Martin, Manfred; Guillon, Olivier; Fattakhova-Rohlfing, Dina
    Anhydrous LiNbO$_ {3}$ Synthesis and Its Application for Surface Modification of Garnet Type Li-Ion Conductors
    Journal of the Electrochemical Society : JES, 169, 4, 040564 (2022)
    [DOI: 10.1149/1945-7111/ac6836]
  • Hou, Hui
    Investigation of the physical and electrochemical properties of ionic liquid suitable for a future use as fuel cell electrolyte for operation > 100 °C
    (2022)
    [DOI: 10.18154/RWTH-2022-03853]
  • Mroz, Damian Patrick; Wang, Ruimin; Paulmann, Carsten; Englert, Ulli; Dronskowski, Richard
    Temperature-Resolved Anisotropic Displacement Parameters from Theory and Experiment: A Case Study
    Crystals : open access journal, 12, 2, 283 (2022)
    [DOI: 10.3390/cryst12020283]
  • Lin, Jingjing
    Investigation of the proton transport and the interaction between ionic liquids and ionogene PBI-type polymers
    (2022)
    [DOI: 10.18154/RWTH-2022-02742]
  • Belthle, Kendra Solveig; Gries, Ute; Müller, Michael Patrick; Kemp, Dennis; Prakash, Abhinav; Rose, Marc-André; Börgers, Jacqueline M.; Jalan, Bharat; Gunkel, Felix; De Souza, Roger
    Quantitative Determination of Native Point‐Defect Concentrations at the ppm Level in Un‐Doped BaSnO$_{3}$ Thin Films
    Advanced functional materials, 32, 19, 2113023 (2022)
    [DOI: 10.1002/adfm.202113023]
  • Skinner, Stephen J.; Birss, Viola; Rupp, Jennifer; De Souza, Roger
    Introduction to the special issue in honour of Prof. John Kilner’s 75th birthday
    Journal of materials chemistry / A, 10, 5, 2149-2151 (2022)
    [DOI: 10.1039/D2TA90015G]
  • Momenzadeh, Leila; Neitzel-Grieshammer, Steffen Paul; Belova, Irina V.; Murch, Graeme E.
    An overview of thermotransport in fluorite-related ionic oxides
    Zeitschrift für physikalische Chemie, 236, 6-8, 1103-1124 (2021)
    [DOI: 10.1515/zpch-2021-3107]
  • Schultze, Tim Konrad
    Oxide ion transport in Lanthanum-rich apatite and melilite structures
    (2022)
    [DOI: 10.18154/RWTH-2022-01046]
  • Wardenga, Hans F.; Schuldt, Katharina N. S.; Waldow, Stephan Peter; De Souza, Roger; Klein, Andreas
    Surface potentials of acceptor- and donor-doped CeO 2 thin films and their relation to oxygen surface exchange
    Physical chemistry, chemical physics : PCCP, 24, 2, 1072-1080 (2021)
    [DOI: 10.1039/D1CP03776E]
  • Zurhelle, Alexander Friedrich; Stehling, Wilhelm; Waser, Rainer; De Souza, Roger; Menzel, Stephan
    Oxygen Diffusion in Platinum Electrodes : A Molecular Dynamics Study of the Role of Extended Defects
    Advanced materials interfaces, 10, 2101257 (2021)
    [DOI: 10.1002/admi.202101257]
  • Robens, Elisabeth; Rauschen, Robert; Kaub, Johannes; Parras, Jana Patricia; Kemp, Dennis; Freeman, Colin L.; De Souza, Roger
    Perovskite crystal symmetry and oxygen-ion transport: a molecular-dynamics study of perovskite
    Journal of materials chemistry / A, 10, 5, 2388-2397 (2021)
    [DOI: 10.1039/D1TA06293J]
  • Chen, Yingzhen; Endres, Manuel B.; Giffin, Jürgen; Korte, Carsten
    Investigation of the protolytic equilibrium of a highly Brønsted acidic ionic liquid and residual water using Raman spectroscopy
    Journal of molecular liquids, 345, 117796 (2021)
    [DOI: 10.1016/j.molliq.2021.117796]
  • Eigen, Julian
    Investigation of iron based redox masses for rechargeable oxide batteries
    (2021)
    [DOI: 10.18154/RWTH-2022-02660]
  • Lin, Jingjing; Noferini, Daria; Veroutis, Emmanouil; Korte, Carsten; Holderer, Olaf
    The charge transport mechanism in Brønsted-acidic protic ionic liquid/water systems : An NMR and QENS study
    Journal of molecular liquids, 343, 117712 (2021)
    [DOI: 10.1016/j.molliq.2021.117712]
  • Eisele, Sebastian
    Development and application of a generic Monte Carlo simulation framework for defect transport in crystalline solid electrolytes
    (2021)
    [DOI: 10.18154/RWTH-2021-11223]
  • Schwab, Christian; Schraknepper, Henning; De Souza, Roger
    Oxygen transport in single-crystal LaAlO 3 substrates
    Physical review materials, 5, 10, 105001 (2021)
    [DOI: 10.1103/PhysRevMaterials.5.105001]
  • Roßbach, Andreas
    Leitungs- und Diffusionseigenschaften Alkali-Ionen-leitender NASICON-Materialien für den Einsatz in Festkörperbatterien
    (2021)
    [DOI: 10.18154/RWTH-2021-10665]
  • Kemp, Dennis; De Souza, Roger
    Nonlinear ion mobility at high electric field strengths in the perovskites SrTiO3 and CH3NH3PbI3
    Physical review materials, 5, 10, 105401 (2021)
    [DOI: 10.1103/PhysRevMaterials.5.105401]
  • Eigen, Julian; Rutjens, B. P.; Schröder, Malte
    Partial redox cycling of composite storage materials for rechargeable oxide batteries
    Journal of energy storage, 43, 103161 (2021)
    [DOI: 10.1016/j.est.2021.103161]
  • Qiao, Xianji; Chen, Kaixuan; Corkett, Alex J.; Mroz, Damian Patrick; Huang, Xiaoying; Wang, Ruimin; Nelson, Ryky; Dronskowski, Richard
    Synthesis, Crystal Structure, Symmetry Relationships, and Electronic Structure of Bismuth Carbodiimide Bi2(NCN)3 and Its Ammonia Adduct Bi2(NCN)3·NH3
    Inorganic chemistry, 60, 17, 12664-12670 (2021)
    [DOI: 10.1021/acs.inorgchem.1c02177]
  • Suo, Yanpeng; Hou, Hui; Lin, Jingjing; Chen, Yingzhen; Liu, Chang; Wang, Ce; Schulz, Peter S.; Wippermann, Klaus; Korte, Carsten
    Binary Mixtures of Proton-Conducting Ionic Liquids as Electrolytes for Medium-Temperature Polymer Electrolyte Membrane Fuel Cells
    The journal of physical chemistry / C, 125, 39, 21588-21594 (2021)
    [DOI: 10.1021/acs.jpcc.1c05151]
  • Lin, Jingjing; Willbold, Sabine; Zinkevich, Tatiana; Indris, Sylvio; Korte, Carsten
    Ionic (Proton) transport and molecular interaction of ionic Liquid-PBI blends for the use as electrolyte membranes
    Journal of molecular liquids, 342, 116964 (2021)
    [DOI: 10.1016/j.molliq.2021.116964]
  • Hasle, Ida; Waldow, Stephan P.; Gries, Ute N.; De Souza, Roger; Vøllestad, Einar; Haugsrud, Reidar
    B-site cation inter-diffusion in yttrium substituted barium zirconate
    Journal of materials chemistry / A, 9, 37, 21142-21150 (2021)
    [DOI: 10.1039/D1TA02391H]
  • Börgers, Jacqueline M.; Kler, Joe; Ran, Ke; Larenz, Elizabeth; Weirich, Thomas E.; Dittmann, Regina; De Souza, Roger
    Faster Diffusion of Oxygen Along Dislocations in (La,Sr)MnO$_{3+δ}$ Is a Space-Charge Phenomenon
    Advanced functional materials, 31, 51, 2105647 (2021)
    [DOI: 10.1002/adfm.202105647]
  • Ader, Christiane; Falkenstein, Andreas; Martin, Manfred
    Transition between bipolar and abnormal bipolar resistive switching in amorphous oxides with a mobility edge
    Scientific reports, 11, 14384 (2021)
    [DOI: 10.1038/s41598-021-93777-6]
  • De Souza, Roger
    Transport properties of dislocations in SrTiO3 and other perovskites
    Current opinion in solid state & materials science, 25, 4, 100923 (2021)
    [DOI: 10.1016/j.cossms.2021.100923]
  • Parras, Jana Patricia; Feldmann, Gereon; De Souza, Roger
    Fast grain-boundary diffusion paths in ionic solids : Space-charge layers versus interfacial core
    Journal of the American Ceramic Society, 104, 11, 5946-5954 (2021)
    [DOI: 10.1111/jace.17905]
  • Yoo, Han-Ill; Kim, Jihye; Joo, Wonhyo; Martin, Manfred
    Mechanistic origin of the time-dependence of the open-circuit voltage of a galvanic cell involving a ternary or higher compound
    Physical chemistry, chemical physics : PCCP, 28, 15119-15126 (2021)
    [DOI: 10.1039/D1CP01793D]
  • Neitzel-Grieshammer, Steffen Paul; Belova, Irina V.; Murch, Graeme E.
    Thermodiffusion and ion transport in doped ceria by molecular dynamics simulations
    Acta materialia, 210, 116802 (2021)
    [DOI: 10.1016/j.actamat.2021.116802]
  • Usler, Adrian Leonhard; De Souza, Roger
    A Critical Examination of the Mott-Schottky Model of Grain-Boundary Space-Charge Layers in Oxide-Ion Conductors
    Journal of the Electrochemical Society : JES, 168, 5, 056504 (2021)
    [DOI: 10.1149/1945-7111/abfb37]
  • Li, Linhao; Kler, Joe; West, Anthony R.; De Souza, Roger; Sinclair, Derek C.
    High oxide-ion conductivity in acceptor-doped Bi-based perovskites at modest doping levels
    Physical chemistry, chemical physics : PCCP, 23, 19, 11327-11333 (2021)
    [DOI: 10.1039/d1cp01120k]
  • Harrington, George F.; Kim, Sunho; Sasaki, Kazunari; Tuller, Harry L.; Neitzel-Grieshammer, Steffen Paul
    Strain-modified ionic conductivity in rare-earth substituted ceria : effects of migration direction, barriers, and defect-interactions
    Journal of materials chemistry / A, 9, 13, 8630-8643 (2021)
    [DOI: 10.1039/d0ta12150a]
  • Neitzel-Grieshammer, Steffen Paul
    The effect of defect interactions on the reduction of doped ceria
    Physical chemistry, chemical physics : PCCP, 23, 17, 10321-10325 (2021)
    [DOI: 10.1039/d1cp00925g]
  • Eisele, Sebastian; Draber, Fabian Michael; Neitzel-Grieshammer, Steffen Paul
    The effect of ionic defect interactions on the hydration of yttrium-doped barium zirconate
    Physical chemistry, chemical physics : PCCP, 23, 8, 4882-4891 (2021)
    [DOI: 10.1039/D0CP06587K]
  • Wollstadt, Stephan; De Souza, Roger; Clemens, Oliver
    Kinetic Study of the Interdiffusion of Fluorine and Oxygen in the Perovskite-Type Barium Ferrate System BaFeO2.5-xF2x
    The journal of physical chemistry / C, 125, 4, 2287-2298 (2021)
    [DOI: 10.1021/acs.jpcc.0c10174]
  • Hou, Hui; Schütz, Hanno Maria; Giffin, Jürgen; Wippermann, Klaus; Gao, Xinpei; Mariani, Alessandro; Passerini, Stefano; Korte, Carsten
    Acidic Ionic Liquids Enabling Intermediate Temperature Operation Fuel Cells
    ACS applied materials & interfaces, 13, 7, 8370-8382 (2021)
    [DOI: 10.1021/acsami.0c20679]
  • Draber, Fabian Michael
    Ionic conductivity in acceptor-doped barium zirconate
    (2021)
    [DOI: 10.18154/RWTH-2021-03399]
  • Guillon, Olivier; De Souza, Roger; Mishra, Tarini Prasad; Rheinheimer, Wolfgang
    Electric-field-assisted processing of ceramics : Nonthermal effects and related mechanisms
    MRS bulletin, 46, 1, 52-58 (2021)
    [DOI: 10.1557/s43577-020-00008-w]
  • Heelweg, Henrik J.; De Souza, Roger
    Metadynamics simulations of strontium-vacancy diffusion in SrTiO 3
    Physical review materials, 5, 1, 013804 (2021)
    [DOI: 10.1103/PhysRevMaterials.5.013804]
  • Janzen, Benjamin M.; Mazzolini, Piero; Gillen, Roland; Falkenstein, Andreas; Martin, Manfred; Tornatzky, Hans; Maultzsch, Janina; Bierwagen, Oliver; Wagner, Markus R.
    Isotopic study of Raman active phonon modes in β-Ga$_{2}$O$_{3}$
    Journal of materials chemistry / C, 9, 7, 2311-2320 (2021)
    [DOI: 10.1039/D0TC04101G]
  • Müller, Michael Patrick; Gunkel, Felix; Hoffmann-Eifert, Susanne; De Souza, Roger
    The importance of singly charged oxygen vacancies for electrical conduction in monoclinic HfO2
    Journal of applied physics, 129, 2, 025104 (2021)
    [DOI: 10.1063/5.0036024]
  • De Souza, Roger; Mueller, David N.
    Electrochemical methods for determining ionic charge in solids
    Nature materials, 20, 443-446 (2020)
    [DOI: 10.1038/s41563-020-0790-9]
  • Hein, Philipp Andreas; Grope, Benjamin O. H.; Köttgen, Julius Rütger; Neitzel-Grieshammer, Steffen Paul; Martin, Manfred (Editor)
    Kinetic Monte Carlo simulations of ionic conductivity in oxygen ion conductors
    Materials chemistry and physics, 257, 123767 (2020)
    [DOI: 10.1016/j.matchemphys.2020.123767]
  • Gries, Ute; Kessel, Markus Franz; Hensling, F. V. E.; Dittmann, R.; Martin, Manfred; De Souza, Roger
    Behavior of cation vacancies in single-crystal and in thin-film SrTiO 3 : The importance of strontium vacancies and their defect associates
    Physical review materials, 4, 12, 123404 (2020)
    [DOI: 10.1103/PhysRevMaterials.4.123404]
  • Mazzolini, Piero; Falkenstein, Andreas; Galazka, Zbigniew; Martin, Manfred; Bierwagen, Oliver
    Offcut-related step-flow and growth rate enhancement during (100) β-Ga2O3 homoepitaxy by metal-exchange catalyzed molecular beam epitaxy (MEXCAT-MBE)
    Applied physics letters, 117, 22, 222105 (2020)
    [DOI: 10.1063/5.0031300]
  • Liao, Longfei; Ditz, Daniel; Zeng, Feng; Alves-Favaro, Marcelo; Iemhoff, Andree; Gupta, Kavita; Hartmann, Heinrich; Szczuka, Conrad; Jakes, Peter; Hausoul, Peter J. C.; Artz, Jens; Palkovits, Regina
    Efficient Photocatalytic Oxidation of Aromatic Alcohols over Thiophene‐based Covalent Triazine Frameworks with A Narrow Band Gap
    ChemistrySelect, 5, 45, 14438-14446 (2020)
    [DOI: 10.1002/slct.202004115]
  • Müller, Michael Patrick
    Ion transport in HfO$_{2}$
    (2020)
  • Lin, Jingjing; Korte, Carsten
    Influence of the acid-base stoichiometry and residual water on the transport mechanism in a highly-Brønsted-acidic proton-conducting ionic liquid
    RSC Advances, 10, 69, 42596-42604 (2020)
    [DOI: 10.1039/D0RA08969A]
  • Genreith-Schriever, Annalena R.; Parras, Jana Patricia; Heelweg, Henrik; De Souza, Roger
    The Intrinsic Structural Resistance of a Grain Boundary to Transverse Ionic Conduction
    ChemElectroChem, 7, 23, 4693-4694 (2020)
    [DOI: 10.1002/celc.202001357]
  • Dąbrowa, Juliusz; Olszewska, Anna; Falkenstein, Andreas; Schwab, Christian; Szymczak, Maria; Zajusz, Marek; Moździerz, Maciej; Mikuła, Andrzej; Zielińska, Klaudia; Berent, Katarzyna; Czeppe, Tomasz; Martin, Manfred; Świerczek, Konrad
    An innovative approach to design SOFC air electrode materials: high entropy La 1−x Sr x (Co,Cr,Fe,Mn,Ni)O 3−δ ( x = 0, 0.1, 0.2, 0.3) perovskites synthesized by the sol-gel method
    Journal of materials chemistry / A, 8, 24455-24468 (2020)
    [DOI: 10.1039/D0TA06356H]
  • Falkenstein, Andreas; De Souza, Roger; Meulenberg, Wilhelm A.; Martin, Manfred
    A quantitative analysis of two-fold electrical conductivity relaxation behaviour in mixed proton-oxide-ion-electron conductors upon hydration
    Physical chemistry, chemical physics, 22, 25032-25041 (2020)
    [DOI: 10.1039/D0CP03264F]
  • Köttgen, Julius Rütger; Neitzel-Grieshammer, Steffen Paul; Dück, Gerald; Ulbrich, Gregor; Lerch, Martin; Martin, Manfred
    Ab initio and experimental oxygen ion conductivities in Sm-Zr and Gd-Zr co-doped ceria
    Solid state ionics, 355, 115422 (2020)
    [DOI: 10.1016/j.ssi.2020.115422]
  • Neitzel-Grieshammer, Steffen Paul; Momenzadeh, Leila; Belova, Irina V.; Murch, Graeme E.
    Ionic and thermal conductivity of pure and doped ceria by molecular dynamics
    Solid state ionics, 355, 115424 (2020)
    [DOI: 10.1016/j.ssi.2020.115424]
  • Waldow, Stephan Peter; De Souza, Roger
    Is excess faster than deficient? A molecular-dynamics study of oxygen-interstitial and oxygen-vacancy diffusion in CeO2
    Journal of Physiks energy, 2, 2, 024001 (2020)
    [DOI: 10.1088/2515-7655/ab5cfd]
  • Eisele, Sebastian; Neitzel-Grieshammer, Steffen Paul
    MOCASSIN : Metropolis and kinetic Monte Carlo for solid electrolytes
    Journal of computational chemistry, 41, 31, 2663-2677 (2020)
    [DOI: 10.1002/jcc.26418]
  • Heisig, Thomas; Kler, Joe; Du, Hongchu; Bäumer, Christoph; Hensling, Felix V. E.; Glöß, Maria; Moors, Marco; Locatelli, Andrea; Menteş, Tevfik Onur; Genuzio, Francesca; Mayer, Joachim; De Souza, Roger; Dittmann, Regina
    Antiphase Boundaries Constitute Fast Cation Diffusion Paths in SrTiO 3 Memristive Devices
    Advanced functional materials, 30, 48, 2004118 (2020)
    [DOI: 10.1002/adfm.202004118]
  • Sun, Yu; Hess, Franziska; Djerdj, Igor; Wang, Zheng; Weber, Tim; Guo, Yanglong; Smarsly, Bernd M.; Over, Herbert
    sReactivation of CeO2‐based Catalysts in the HCl Oxidation Reaction : In situ Quantification of the Degree of Chlorination and Kinetic Modeling
    ChemCatChem, 12, 21, 5511-5522 (2020)
    [DOI: 10.1002/cctc.202000907]
  • Genreith-Schriever, Annalena R.; Parras, Jana Patricia; Heelweg, Henrik J.; De Souza, Roger
    The Intrinsic Structural Resistance of a Grain Boundary to Transverse Ionic Conduction
    ChemElectroChem, 7, 23, 4718-4723 (2020)
    [DOI: 10.1002/celc.202000773]
  • Waldow, Stephan Peter; Statham, Benjamin J.; Wardenga, Hans F.; Weirich, Thomas E.; Klein, Andreas; De Souza, Roger
    Oxygen Surface Exchange and Tracer Diffusion in Differently Oriented Thin Films of Gd-Doped CeO2
    ACS applied materials & interfaces, 12, 32, 36768-36777 (2020)
    [DOI: 10.1021/acsami.0c09605]
  • Lin, Jiaying; Korte, Carsten
    PBI-type Polymers and Acidic Proton Conducting Ionic Liquids : Conductivity and Molecular Interactions
    Fuel cells, 20, 4, 461-468 (2020)
    [DOI: 10.1002/fuce.201900201]
  • Müller, Michael Patrick; Pingen, Katrin; Hardtdegen, Alexander; Aussen, Stephan; Kindsmueller, Andreas; Hoffmann-Eifert, Susanne; De Souza, Roger
    Cation diffusion in polycrystalline thin films of monoclinic HfO 2 deposited by atomic layer deposition
    APL materials, 8, 8, 081104 (2020)
    [DOI: 10.1063/5.0013965]
  • Börgers, Jacqueline Marie; De Souza, Roger
    The surprisingly high activation barrier for oxygen-vacancy migration in oxygen-excess manganite perovskites
    Physical chemistry, chemical physics : PCCP, 22, 25, 14329-14339 (2020)
    [DOI: 10.1039/D0CP01281E]
  • Parras, Jana Patricia; De Souza, Roger
    Grain-boundary diffusion of cations in fluorite-type oxides is faster but not always easier
    Acta materialia, 195, 383-391 (2020)
    [DOI: 10.1016/j.actamat.2020.05.022]
  • Schütt, Judith; Schultze, Tim K.; Neitzel-Grieshammer, Steffen Paul
    Oxygen Ion Migration and Conductivity in LaSrGa 3 O 7 Melilites from First Principles
    Chemistry of materials, 32, 11, 4442-4450 (2020)
    [DOI: 10.1021/acs.chemmater.9b04599]
  • Waldow, Stephan Peter
    Untersuchung der Sauerstofftransporteigenschaften in akzeptor- und donator-dotiertem Ceroxid
    (2020)
    [DOI: 10.18154/RWTH-2020-07751]
  • Kaub, Johannes; Kler, Joe; Parker, Stephen C.; De Souza, Roger
    The usefulness of molecular-dynamics simulations in clarifying the activation enthalpy of oxygen-vacancy migration in the perovskite oxide BaTiO 3
    Physical chemistry, chemical physics, 22, 10, 5413-5417 (2020)
    [DOI: 10.1039/C9CP06838D]
  • Jehnichen, Philipp Andreas
    Analyse der Degradation von Lithiumhochvoltkathodenmaterialien durch kombinierte elektrochemische und schwingungsspektroskopische Operando-Untersuchungen
    (2020)
    [DOI: 10.18154/RWTH-2020-05753]
  • Eigen, Julian; Schröder, Michael
    Redox cycling stability of Fe2NiO4/YSZ composite storage materials for rechargeable oxide batteries
    Energy storage materials, 28, 112-121 (2020)
    [DOI: 10.1016/j.ensm.2020.02.032]
  • Köttgen, Julius Rütger; Martin, Manfred
    Infinite dilution in doped ceria and high activation energies
    Solid state communications, 314/315, 113939 (2020)
    [DOI: 10.1016/j.ssc.2020.113939]
  • Köttgen, Julius Rütger; Dück, Gerald; Martin, Manfred
    The oxygen ion conductivity of Lu doped ceria
    Journal of physics / Condensed matter, 32, 26, 265402 (2020)
    [DOI: 10.1088/1361-648X/ab7d64]
  • Draber, Fabian Michael; Ader, Christiane; Arnold, John P.; Eisele, Sebastian; Neitzel-Grieshammer, Steffen Paul; Yamaguchi, Shu; Martin, Manfred
    Nanoscale percolation in doped BaZrO3 for high proton mobility
    Nature materials, 19, 3, 338-346 (2019)
    [DOI: 10.1038/s41563-019-0561-7]
  • Köttgen, Julius Rütger; Martin, Manfred
    The ionic conductivity of Sm‐doped ceria
    Journal of the American Ceramic Society, 103, 6, 3776-3787 (2020)
    [DOI: 10.1111/jace.17066]
  • Lin, Jingjing; Wang, Liming; Zinkevich, Tatiana; Indris, Sylvio; Suo, Yanpeng; Korte, Carsten
    Influence of residual water and cation acidity on the ionic transport mechanism in proton-conducting ionic liquids
    Physical chemistry, chemical physics : PCCP, 22, 3, 1145-1153 (2019)
    [DOI: 10.1039/C9CP04723A]
  • Lin, Jingjing; Wang, Liming; Zinkevich, Tatiana; Indris, Sylvio; Suo, Yanpeng; Korte, Carsten
    Correction: Influence of residual water and cation acidity on the ionic transport mechanism in proton-conducting ionic liquids
    Physical chemistry, chemical physics : PCCP, 22, 9, 5383-5383 (2020)
    [DOI: 10.1039/D0CP90046J]
  • Mazzolini, P.; Falkenstein, Andreas; Wouters, C.; Schewski, R.; Markurt, T.; Galazka, Z.; Martin, Manfred; Albrecht, M.; Bierwagen, O.
    Substrate-orientation dependence of β-Ga 2 O 3 (100), (010), (001), and (2¯01) homoepitaxy by indium-mediated metal-exchange catalyzed molecular beam epitaxy (MEXCAT-MBE)
    APL materials, 8, 1, 011107 (2020)
    [DOI: 10.1063/1.5135772]
  • Tong, Xiaorui; Mebane, David S.; De Souza, Roger
    Analyzing the grain‐boundary resistance of oxide‐ion conducting electrolytes: Poisson‐Cahn vs Poisson‐Boltzmann theories
    Journal of the American Ceramic Society, 103, 1, 5-22 (2019)
    [DOI: 10.1111/jace.16716]
  • Parras, Jana Patricia; Cao, Chen; Ma, Zheng; Mücke, Robert; Jin, Lei; Dunin-Borkowski, Rafal E.; Guillon, Olivier; De Souza, Roger
    The grain-boundary resistance of CeO2 ceramics : A combined microscopy-spectroscopy-simulation study of a dilute solution
    Journal of the American Ceramic Society, 103, 3, 1755-1764 (2019)
    [DOI: 10.1111/jace.16843]
  • Arjmandi, Hamid R.; Grieshammer, Steffen Paul
    Defect formation and migration in Nasicon Li 1+x Al x Ti 2−x (PO 4 ) 3
    Physical chemistry, chemical physics : PCCP, 21, 43, 24232-24238 (2019)
    [DOI: 10.1039/C9CP04792A]
  • De Souza, Roger; Barboni, Denis
    Iodide-ion conduction in methylammonium lead iodide perovskite : some extraordinary aspects
    Chemical communications : ChemComm, 55, 8, 1108-1111 (2019)
    [DOI: 10.1039/C8CC09236B]
  • Zhu, Jiaxin; Lee, Jung-Woo; Lee, Hyungwoo; Xie, Lin; Pan, Xiaoqing; De Souza, Roger; Eom, Chang-Beom; Nonnenmann, Stephen S.
    Probing vacancy behavior across complex oxide heterointerfaces
    Science advances, 5, 2, eaau8467 (2019)
    [DOI: 10.1126/sciadv.aau8467]
  • Schultze, Tim K.; Arnold, John P.; Grieshammer, Steffen Paul
    Ab Initio Investigation of Migration Mechanisms in La Apatites
    ACS applied energy materials, 2, 7, 4708-4717 (2019)
    [DOI: 10.1021/acsaem.9b00226]
  • De Souza, Roger; Dickey, E. C.
    The effect of space-charge formation on the grain-boundary energy of an ionic solid
    Philosophical transactions of the Royal Society of London / A, 377, 2152, 20180430 (2019)
    [DOI: 10.1098/rsta.2018.0430]
  • Hess, Franziska
    Efficient Implementation of Cluster Expansion Models in Surface Kinetic Monte Carlo Simulations with Lateral Interactions: Subtraction Schemes, Supersites, and the Supercluster Contraction
    Journal of computational chemistry, 40, 30, 2664-2676 (2019)
    [DOI: 10.1002/jcc.26041]
  • Schwab, Christian; Höweling, A.; Windmüller, A.; Gonzalez-Julian, Jesus; Möller, S.; Binder, J. R.; Uhlenbruck, S.; Guillon, O.; Martin, Manfred
    Bulk and grain boundary Li-diffusion in dense LiMn2O4 pellets by means of isotope exchange and ToF-SIMS analysis
    Physical chemistry, chemical physics : PCCP, 21, 47, 26066-26076 (2019)
    [DOI: 10.1039/C9CP05128G]
  • Zhang, Haiwu; De Souza, Roger
    Optimising oxygen diffusion in non-cubic, non-dilute perovskite oxides based on BiFeO3
    Journal of materials chemistry / A, 7, 44, 25274-25278 (2019)
    [DOI: 10.1039/C9TA08980B]
  • Köttgen, Julius Rütger; Martin, Manfred
    The Effect of Jump Attempt Frequencies on the Ionic Conductivity of Doped Ceria
    The journal of physical chemistry / C, 123, 32, 19437-19446 (2019)
    [DOI: 10.1021/acs.jpcc.9b06946]
  • Kwon, Deok‐Hwang; Lee, Shinbuhm; Kang, Chan Soon; Choi, Yong Seok; Kang, Sung Jin; Cho, Hae Lim; Sohn, Woonbae; Jo, Janghyun; Lee, Seung‐Yong; Oh, Kyu Hwan; Noh, Tae Won; De Souza, Roger; Martin, Manfred; Kim, Miyoung
    Unraveling the Origin and Mechanism of Nanofilament Formation in Polycrystalline SrTiO3 Resistive Switching Memories
    Advanced materials, 31, 28, 1901322 (2019)
    [DOI: 10.1002/adma.201901322]
  • Guo, Pei
    Phasenchemie und Transporteigenschaften co-substituierter, mischleitender Membranenmaterialien auf der Basis von Ba$_{0.5}$Sr$_{0.5}$Co$_{0.8}$Fe$_{0.2}$O$_{3-\delta}$
    (2019)
    [DOI: 10.18154/RWTH-2019-06772]
  • Rheinheimer, Wolfgang; Parras, Jana Patricia; Preusker, Jan-Helmut; De Souza, Roger; Hoffmann, Michael J.
    Grain growth in strontium titanate in electric fields : The impact of space-charge on the grain-boundary mobility
    Journal of the American Ceramic Society, 102, 6, 3779-3790 (2018)
    [DOI: 10.1111/jace.16217]
  • Schwab, Christian
    Lithium- und Sauerstoffdiffusion in undotiertem und Al-dotiertem LiMn$_{2}$O$_{4}$
    (2019)
    [DOI: 10.18154/RWTH-2019-04052]
  • Hellwig, Maren; Köppen, Martin; Hiller, Albert; Koslowski, Hans; Litnovsky, Andrey; Schmid, Klaus; Schwab, Christian; De Souza, Roger
    Impact of Surface Roughness on Ion-Surface Interactions Studied with Energetic Carbon Ions 13C+ on Tungsten Surfaces
    Condensed Matter, 4, 1, 29 (2019)
    [DOI: 10.3390/condmat4010029]
  • Waldow, Stephan Peter; Wardenga, Hans; Beschnitt, Stefan; Klein, Andreas; De Souza, Roger
    Concentration and Diffusivity of Oxygen Interstitials in Niobia-Doped Ceria
    The journal of physical chemistry / C, 123, 11, 6340-6350 (2019)
    [DOI: 10.1021/acs.jpcc.8b10613]
  • Köttgen, Julius Rütger; Martin, Manfred
    Coordination Numbers in Sm-Doped Ceria Using X-ray Absorption Spectroscopy
    The journal of physical chemistry / C, 123, 11, 6333-6339 (2019)
    [DOI: 10.1021/acs.jpcc.8b10494]
  • von der Heiden, Alexandra; Bornhöfft, Manuel; Mayer, Joachim; Martin, Manfred
    Oxygen diffusion in amorphous and partially crystalline gallium oxide
    Physical chemistry, chemical physics : PCCP, 21, 8, 4268-4275 (2018)
    [DOI: 10.1039/C8CP06439C]
  • Zacharias, Sebastian; Schroeder, Michael
    MedienBox Chemie
    Naturwissenschaften im Unterricht / Chemie, 167, 39-41 (2018)
  • Langenstück, Stefanie; Zhao, Chenchen; Englert, Ulli
    The ephemeral dihydrate of sulfanilic acid
    Acta crystallographica / International Union of Crystallography. Section C, Structural Chemistry, 74, 1, 7-12 (2018)
    [DOI: 10.1107/S2053229617016886]
  • Chun, Jakyu; Martin, Manfred; Yoo, Han-Ill
    On the kinetic decomposition voltage of ternary oxides
    Physical chemistry, chemical physics, 20, 4, 2396-2402 (2018)
    [DOI: 10.1039/C7CP06009B]
  • Kessel, Markus Franz; De Souza, Roger; Martin, Manfred
    Correction: Oxygen diffusion in single crystal barium titanate
    Physical chemistry, chemical physics, 20, 46, 29568-29568 (2018)
    [DOI: 10.1039/C8CP91913E]
  • Wei, Bo; Schroeder, Michael; Martin, Manfred
    Surface Cation Segregation and Chromium Deposition on the Double-Perovskite Oxide PrBaCo2O5+δ
    ACS applied materials & interfaces, 10, 10, 8621-8629 (2018)
    [DOI: 10.1021/acsami.7b17881]
  • Heisig, Thomas; Bäumer, Christoph; Gries, Ute; Müller, Michael Patrick; La Torre, Camilla; Lübben, Michael; Raab, Nicolas; Du, Hongchu; Menzel, Stephan; Mueller, David N.; Jia, Chun-Lin; Mayer, Joachim; Waser, Rainer; Valov, Ilia; De Souza, Roger; Dittmann, Regina
    Oxygen Exchange Processes between Oxide Memristive Devices and Water Molecules
    Advanced materials, 30, 29, 1800957 (2018)
    [DOI: 10.1002/adma.201800957]
  • Funck, Carsten Marco; Schmidt, Peter C.; Bäumer, Christoph; Dittmann, Regina; Martin, Manfred; Waser, Rainer; Menzel, Stephan
    Atomistic Investigation of the Schottky Contact Conductance Limits at SrTiO3 based Resistive Switching Devices
    NVMTS2018 : Non-Volatile Memory Technology Symposium 2018 : October 22-24, 2018, Sendai, Japan / NVMTS, Non-Volatile Memory Technology Symposium, 4 Seiten (2018)
    [DOI: 10.1109/NVMTS.2018.8603106]
  • Körfer, Sylvia
    Untersuchungen zur Fremdionendiffusion von Zr und Sr sowie zur Selbstdiffusion von $^{50}$Ti und $^{130}$Ba in Bariumtitanat (BaTiO$_{3}$) - Einkristallen
    (2018)
    [DOI: 10.18154/RWTH-2019-00524]
  • Choi, Hyung Jong; Bae, Kiho; Grieshammer, Steffen Paul; Han, Gwon Deok; Park, Suk Won; Kim, Jun Woo; Jang, Dong Young; Koo, Junmo; Son, Ji-Won; Martin, Manfred; Shim, Joon Hyung
    Surface Tuning of Solid Oxide Fuel Cell Cathode by Atomic Layer Deposition
    Advanced energy materials, 8, 33, 1802506 (2018)
    [DOI: 10.1002/aenm.201802506]
  • Barboni, Denis; De Souza, Roger
    The thermodynamics and kinetics of iodine vacancies in the hybrid perovskite methylammonium lead iodide
    Energy & environmental science, 11, 3266-3274 (2018)
    [DOI: 10.1039/C8EE01697F]
  • Grieshammer, Steffen Paul; Eisele, Sebastian; Köttgen, Julius Rütger
    Modeling Oxygen Ion Migration in the CeO2-ZrO2-Y2O3 Solid Solution
    The journal of physical chemistry / C, 122, 33, 18809-18817 (2018)
    [DOI: 10.1021/acs.jpcc.8b04361]
  • Rossbach, Andreas; Tietz, Frank; Grieshammer, Steffen Paul
    Structural and transport properties of lithium-conducting NASICON materials
    Journal of power sources, 391, 1-9 (2018)
    [DOI: 10.1016/j.jpowsour.2018.04.059]
  • Funck, Carsten Marco; Marchewka, Astrid; Bäumer, Christoph; Schmidt, Peter C.; Müller, Phillip; Dittmann, Regina; Martin, Manfred; Waser, Rainer; Menzel, Stephan
    A Theoretical and Experimental View on the Temperature Dependence of the Electronic Conduction through a Schottky Barrier in a Resistively Switching SrTiO3‐Based Memory Cell
    Advanced electronic materials, 4, 7, 1800062 (2018)
    [DOI: 10.1002/aelm.201800062]
  • Zhang, Haiwu; Ramadan, Amr Hazem Helmy; De Souza, Roger
    Atomistic simulations of ion migration in sodium bismuth titanate (NBT) materials: towards superior oxide-ion conductors
    Journal of materials chemistry / A, 6, 19, 9116-9123 (2018)
    [DOI: 10.1039/C8TA02545B]
  • Köttgen, Julius Rütger; Grieshammer, Steffen Paul; Hein, Philipp Andreas; Grope, Benjamin O. H.; Nakayama, Masanobu; Martin, Manfred
    Understanding the ionic conductivity maximum in doped ceria : trapping and blocking
    Physical chemistry, chemical physics, 20, 21, 14291-14321 (2018)
    [DOI: 10.1039/C7CP08535D]
  • Kumar, Nitish; Patterson, Eric A.; Frömling, Till; Gorzkowski, Edward P.; Eschbach, Peter; Love, Ian; Müller, Michael Patrick; De Souza, Roger; Tucker, Julie; Reese, Steven R.; Cann, David P.
    Defect mechanisms in BaTiO3‐BiMO3 ceramics
    Journal of the American Ceramic Society, 101, 6, 2376-2390 (2017)
    [DOI: 10.1111/jace.15403]
  • Shahi, Hamid Reza
    Multiphysik-Simulation der Transportprozesse in Sauerstoffpermeatoren mit ungeträgerten und geträgerten Hochtemperaturmembranen
    (2018)
    [DOI: 10.18154/RWTH-2018-223933]
  • Dąbrowa, Juliusz; Stygar, Mirosław; Mikuła, Andrzej; Knapik, Arkadiusz; Mroczka, Krzysztof; Tejchman, Waldemar; Danielewski, Marek; Martin, Manfred
    Synthesis and microstructure of the (Co,Cr,Fe,Mn,Ni)3O4 high entropy oxide characterized by spinel structure
    Materials letters, 216, 32-36 (2017)
    [DOI: 10.1016/j.matlet.2017.12.148]
  • Müller, Michael Patrick; De Souza, Roger
    SIMS study of oxygen diffusion in monoclinic HfO2 editors-pick
    Applied physics letters, 112, 5, 051908 (2018)
    [DOI: 10.1063/1.5020370]
  • Persoon, Emma Sophie
    Keramische Sauerstoffmembranen in 4-End-Oxyfuel Prozessen
    (2018)
    [DOI: 10.18154/RWTH-2018-00778]
  • Köttgen, Julius Rütger; Schmidt, Peter C.; Bučko, Tomáš; Martin, Manfred
    Ab initio calculation of the migration free energy of oxygen diffusion in pure and samarium-doped ceria
    Physical review / B, 97, 2, 024305 (2018)
    [DOI: 10.1103/PhysRevB.97.024305]
  • Gries, Ute; Schraknepper, Henning; Skaja, K.; Gunkel, Felix; Hoffmann-Eifert, S.; Waser, Rainer; De Souza, Roger
    A SIMS study of cation and anion diffusion in tantalum oxide
    Physical chemistry, chemical physics : PCCP, 2018, 20, 989-996 (2018)
    [DOI: 10.1039/C7CP07441G]
  • Mchedlov-Petrosyan, Petro; Martin, Manfred
    Oxides in an oxygen potential gradient: coupled morphological stability of the multiple phase boundaries
    (2017)
  • Beschnitt, Stefan
    Kationendiffusion in Cer(IV)-Oxid
    (2017)
    [DOI: 10.18154/RWTH-2018-00345]
  • Witte, Wolfram; De Souza, Roger; Martin, Manfred; Eicke, Axel; Hariskos, Dimitrios
    Deuterium Markers in CdS and Zn(O,S) Buffer Layers Deposited by Solution Growth for Cu(In,Ga)Se 2 Thin-Film Solar Cells
    Physica status solidi / Rapid research letters, 11, 12, 1700288 (2017)
    [DOI: 10.1002/pssr.201700288]
  • Zurhelle, Alexander Friedrich; Tong, Xiaorui; Klein, Andreas; Mebane, David S.; De Souza, Roger
    A Space-Charge Treatment of the Increased Concentration of Reactive Species at the Surface of a Ceria Solid Solution
    Angewandte Chemie / International edition, 56, 46, 14516-14520 (2017)
    [DOI: 10.1002/anie.201708118]
  • Kura, Chiharu; Kunisada, Yuji; Tsuji, Etsushi; Zhu, Chunyu; Habazaki, Hiroki; Nagata, Shinji; Müller, Michael Patrick; De Souza, Roger; Aoki, Yoshitaka
    Hydrogen separation by nanocrystalline titanium nitride membranes with high hydride ion conductivity
    Nature energy, 2, 10, 786-794 (2017)
    [DOI: 10.1038/s41560-017-0002-2]
  • Ramasamy, M.; Persoon, Emma; Baumann, S.; Schröder, M.; Schulze-Küppers, Falk; Görtz, Dieter; Bhave, R.; Bram, M.; Meulenberg, W. A.
    Structural and chemical stability of high performance Ce0.8Gd0.2O2-δ - FeCo2O4 dual phase oxygen transport membranes
    Journal of membrane science, 544, 278-286 (2017)
    [DOI: 10.1016/j.memsci.2017.09.011]
  • De Souza, Roger
    Limits to the rate of oxygen transport in mixed-conducting oxides
    Journal of materials chemistry / A, 5, 38, 20334-20350 (2017)
    [DOI: 10.1039/C7TA04266C]
  • Salehi, M.; Søgaard, M.; Esposito, V.; Foghmoes, S. P. V.; Persoon, E. S.; Schroeder, M.; Hendriksen, P. V.
    Oxygen permeation and stability study of (La 0.6 Ca 0.4 ) 0.98 (Co 0.8 Fe 0.2 )O 3-δ membranes
    Journal of membrane science, 542, 245-253 (2017)
    [DOI: 10.1016/j.memsci.2017.07.050]
  • Grieshammer, Steffen Paul
    Defect Interactions in the CeO 2 -ZrO 2 -Y 2 O 3 Solid Solution
    The journal of physical chemistry / C, 121, 28, 15078-15084 (2017)
    [DOI: 10.1021/acs.jpcc.7b03507]
  • Beschnitt, Stefan; De Souza, Roger
    Impurity diffusion of Hf and Zr in Gd-doped CeO 2
    Solid state ionics, 305, 23-29 (2017)
    [DOI: 10.1016/j.ssi.2017.03.029]
  • Genreith-Schriever, Annalena Roswitha
    Simulation studies of oxygen-ion transport in ceria
    (2017)
    [DOI: 10.18154/RWTH-2017-06153]
  • Grieshammer, Steffen Paul; Martin, Manfred
    Influence of defect interactions on the free energy of reduction in pure and doped ceria
    Journal of materials chemistry / A, 5, 19, 9241-9249 (2017)
    [DOI: 10.1039/C7TA00056A]
  • von der Heiden, Alexandra
    Einfluss von Struktur und Stöchiometrie auf die Sauerstoffdiffusion und Leitfähigkeit in amorphem Galliumoxid
    (2017)
    [DOI: 10.18154/RWTH-2017-03989]
  • Schie, Marcel; Müller, Michael Patrick; Salinga, Martin; Waser, Rainer; De Souza, Roger
    Ion migration in crystalline and amorphous HfO X
    The journal of chemical physics, 146, 9, 094508 (2017)
    [DOI: 10.1063/1.4977453]
  • Köttgen, Julius Rütger; Zacherle, Tobias; Grieshammer, Steffen Paul; Martin, Manfred
    Ab initio calculation of the attempt frequency of oxygen diffusion in pure and samarium doped ceria
    Physical chemistry, chemical physics : PCCP, 19, 15, 9957-9973 (2017)
    [DOI: 10.1039/C6CP04802A]
  • De Souza, Roger; Amezawa, Koji; Burriel, Mónica; Chueh, William; Kelder, Erik M.
    Special Issue for the E-MRS Spring Meeting Symposium D on Solid State Ionics
    Solid state ionics, 299, SI, 1-1 (2017)
    [DOI: 10.1016/j.ssi.2016.12.018]
  • Falkenstein, Andreas
    Transport kinetics of hydrogen permeable lanthanum tungstate
    (2017)
    [DOI: 10.18154/RWTH-2017-02136]
  • Köttgen, Julius Rütger
    The relation between defect interactions, local structure and oxygen ion conductivity in the bulk of doped ceria
    (2017)
    [DOI: 10.18154/RWTH-2017-01919]
  • Zacherle, Tobias; Schmidt, Peter C.; Martin, Manfred
    Atomic and Electronic Structure of Oxides
    Resistive switching : from fundamentals of nanoionic redox processes to memristive device applications / Edited by Daniele Ielmini and Rainer Waser (2016)
    [DOI: 10.1002/9783527680870.ch3]
  • Schraknepper, Henning; Bäumer, Christoph; Gunkel, Felix; Dittmann, Regina; De Souza, Roger
    Pulsed laser deposition of SrRuO 3 thin-films: The role of the pulse repetition rate
    APL materials, 4, 12, 126109 (2016)
    [DOI: 10.1063/1.4972996]
  • Genreith-Schriever, Annalena R.; De Souza, Roger
    Field-enhanced ion transport in solids: Reexamination with molecular dynamics simulations
    Physical review / B, 94, 22, 224304 (2016)
    [DOI: 10.1103/PhysRevB.94.224304]
  • Funck, Carsten Marco; Schmidt, Peter; Martin, Manfred; Menzel, Stephan
    Origin and Influence of the Electronic Current in thin Oxide Resistive Switching Layers
    Bunsen Kolloquium Defects and Diffusion Solids Aachen 2016-11-10 - 2016-11-11 (2016)
  • Braun, Efrem; Zurhelle, Alexander Friedrich; Thijssen, Wouter; Schnell, Sondre K.; Lin, Li-Chiang; Kim, Jihan; Thompson, Joshua A.; Smit, Berend
    High-throughput computational screening of nanoporous adsorbents for CO2 capture from natural gas
    Molecular systems design & engineering, 1, 2, 175-188 (2016)
    [DOI: 10.1039/C6ME00043F]
  • Ramadan, Amr Hazem Helmy; De Souza, Roger
    Atomistic simulations of symmetrical low-angle [100] (01/) tilt boundaries in SrTiO3
    Acta materialia, 118, 286-295 (2016)
    [DOI: 10.1016/j.actamat.2016.07.035]
  • Teusner, Markus; De Souza, Roger; Krause, H.; Ebbinghaus, S. G.; Martin, Manfred
    Oxygen transport in undoped and doped mayenite
    Solid state ionics, 284, 25-27 (2016)
    [DOI: 10.1016/j.ssi.2015.11.024]
  • Ramadan, Amr Hazem Helmy
    Simulation studies of extended defects in the model system of the functional oxide strontium titanate
    (2016)
  • Gunkel, Felix; Waser, Rainer; Ramadan, Amr Hazem Helmy; De Souza, Roger; Hoffmann-Eifert, Susanne; Dittmann, Regina
    Space charges and defect concentration profiles at complex oxide interfaces
    Physical review / B, 93, 24, 245431 (2016)
    [DOI: 10.1103/PhysRevB.93.245431]
  • Grieshammer, Steffen Paul; Nakayama, Masanobu; Martin, Manfred
    Association of defects in doped non-stoichiometric ceria from first principles
    Physical chemistry, chemical physics : PCCP, 18, 5, 3804-3811 (2016)
    [DOI: 10.1039/C5CP07537H]
  • Kura, Chiharu; Aoki, Yoshitaka; Tsuji, Etsushi; Habazaki, Hiroki; Martin, Manfred
    Fabrication of a resistive switching gallium oxide thin film with a tailored gallium valence state and oxygen deficiency by rf cosputtering process
    RSC Advances, 6, 11, 8964-8970 (2016)
    [DOI: 10.1039/C5RA21160C]
  • Rupp, Jennifer L. M. (Editor); De Souza, Roger (Editor); Preis, Wolfgang (Editor); Kelder, Eric M. (Editor)
    The E-MRS Conference, Symposium C "Solid State Ionics: Thin Films for Energy and Information Applications" : [... Lille, France, May 26th to 30th, 2014]
    Solid state ionics, 273, 70 S. (2015)
  • Ganguly, Bichitra Nandi; Dutta, Sreetama; Roy, Soma; Röder, Jens; Johnston, Karl; Martin, Manfred; ISOLDE-Collaboration
    Investigation on structural aspects of ZnO nano-crystal using radio-active ion beam and PAC
    Nuclear instruments & methods in physics research / B, 362, 103-109 (2015)
    [DOI: 10.1016/j.nimb.2015.08.098]
  • Liffmann, R.; Homberger, Melanie; Mennicken, M.; Karthäuser, S.; Simon, Ulrich
    Polydiacetylene stabilized gold nanoparticles - extraordinary high stability and integration into a nanoelectrode device
    RSC Advances, 5, 125, 102981-102992 (2015)
    [DOI: 10.1039/C5RA17545C]
  • Mebane, David S.; De Souza, Roger
    A generalised space-charge theory for extended defects in oxygen-ion conducting electrolytes: from dilute to concentrated solid solutions
    Energy & environmental science, 8, 10, 2935-2940 (2015)
    [DOI: 10.1039/C5EE02060C]
  • Beckers, Thomas; Nagarajan, Lakshmi; Martin, Manfred
    Radiotracer diffusion of 114mIn in Cu(In,Ga)Se2 thin films
    Thin solid films, 592, 118-123 (2015)
    [DOI: 10.1016/j.tsf.2015.09.001]
  • De Souza, Roger
    Oxygen Diffusion in SrTiO 3 and Related Perovskite Oxides
    Advanced functional materials, 25, 40, 6326-6342 (2015)
    [DOI: 10.1002/adfm.201500827]
  • Beschnitt, Stefan; Zacherle, Tobias; De Souza, Roger
    Computational Study of Cation Diffusion in Ceria
    The journal of physical chemistry / C, 119, 49, 27307-27315 (2015)
    [DOI: 10.1021/acs.jpcc.5b09499]
  • Ramadan, Amr Hazem Helmy; Hesselmann, Linda; De Souza, Roger
    The phase stability of Ca2TiO4 and related Ruddlesden-Popper phases
    Journal of physics and chemistry of solids, 86, 90-94 (2015)
    [DOI: 10.1016/j.jpcs.2015.06.022]
  • Grope, Benjamin O. H.
    Die Entwicklung eines allgemeinen Kinetik-Monte-Carlo-Frameworks zur Diffusion in Festkörpern
    (2015)
  • Metlenko, Veronika
    Sauerstofftransporteigenschaften von SrTiO3-basierten Verbindungen mit Bikristallinen- und Dünnschichtgeometrien
    (2015)
  • The, De-Niang
    Identifizierung, Charakterisierung und Interpretation der Zelldegradation von Hochtemperatur-Elektrolysezellen im Langzeitbetrieb
    (2015)
  • Kessel, Markus Franz; De Souza, Roger; Martin, Manfred
    Oxygen diffusion in single crystal barium titanate
    Physical chemistry, chemical physics : PCCP, 17, 19, 12587-12597 (2015)
    [DOI: 10.1039/C5CP01187F]
  • Teusner, Markus; De Souza, Roger; Krause, Holger; Ebbinghaus, Stefan G.; Belghoul, Badreddine; Martin, Manfred
    Oxygen Diffusion in Mayenite
    The journal of physical chemistry, 119, 18, 9721-9727 (2015)
    [DOI: 10.1021/jp512863u]
  • Falkenstein, Andreas; Mueller, David N.; De Souza, Roger; Martin, Manfred
    Chemical relaxation experiments on mixed conducting oxides with large stoichiometry deviations
    Solid state ionics, 280, 66-73 (2015)
    [DOI: 10.1016/j.ssi.2015.07.023]
  • Rupp, Jennifer L. M.; De Souza, Roger; Lubomirsky, Igor; Preis, Wolfgang; Kelder, Erik M.
    EMRS 2014 Solid State Ionics issue
    Solid state ionics, 273, 1-1 (2015)
    [DOI: 10.1016/j.ssi.2015.03.031]
  • Schraknepper, Henning; Bäumer, Christoph; Dittmann, Regina; De Souza, Roger
    Complex behaviour of vacancy point-defects in SrRuO3 thin films
    Physical chemistry, chemical physics, 17, 2, 1060-1069 (2014)
    [DOI: 10.1039/C4CP03632H]
  • Schraknepper, Henning
    Defect chemical Investigations of the all-oxide SrRuO$_3$|SrTiO$_3$ heterostructure
    (2015)
  • Grieshammer, Steffen Paul
    Atomistic and macroscopic simulation of solid oxide electrolytes and electrolyzer cells
    (2015)
  • The, D.; Grieshammer, Steffen Paul; Schroeder, M.; Martin, Manfred; Al Daroukh, M.; Tietz, F.; Schefold, J.; Brisse, A.
    Microstructural comparison of solid oxide electrolyser cells operated for 6100 h and 9000 h
    Journal of power sources, 275, 901-911 (2015)
    [DOI: 10.1016/j.jpowsour.2014.10.188]
  • Teusner, Markus
    Untersuchung der Sauerstoff- und Calcium-Tracerdiffusion in Mayenit - 2015-07-03
    (2015)
  • Yoo, Han-Ill; Martin, Manfred; Janek, Juergen
    Comment on 'How to interpret Onsager cross terms in mixed ionic electronic conductors' by I. Riess, Phys. Chem. Chem. Phys., 2014, 16 , 22513
    Physical chemistry, chemical physics, 17, 16, 11103-11106 (2015)
    [DOI: 10.1039/C4CP05737F]
  • Du, Hongchu; Jia, Chun-Lin; Houben, Lothar; Metlenko, Veronika; De Souza, Roger; Waser, Rainer; Mayer, Joachim
    Atomic structure and chemistry of dislocation cores at low-angle tilt grain boundary in SrTiO3 bicrystals
    Acta materialia, 89, 344-351 (2015)
    [DOI: 10.1016/j.actamat.2015.02.016]
  • De Souza, Roger
    Introduction to the special issue on defects and transport in complex oxides
    Computational materials science, 103, 205- (2015)
    [DOI: 10.1016/j.commatsci.2015.04.007]
  • Vøllestad, Einar; Teusner, Markus; De Souza, Roger; Haugsrud, Reidar
    Diffusion of Nd and Mo in lanthanum tungsten oxide
    Solid state ionics, 274, 128-133 (2015)
    [DOI: 10.1016/j.ssi.2015.03.011]
  • Chun, Jakyu; Martin, Manfred; Yoo, Han-Ill
    Electrotransport-induced unmixing and decomposition of ternary oxides
    Journal of applied physics, 117, 12, 124504- (2015)
    [DOI: 10.1063/1.4915626]
  • Niepel, Timo S. G.; Jochum, Klaus P.
    Neue Untersuchungen an biogenen und synthetischen Gläsern mit fs-Laserablations-ICP-Massenspektrometrie 2013-11-01 -
    (2014)
    [DOI: 10.18154/RWTH-2018-226516]
  • Metlenko, Veronika; Ramadan, Amr Hazem Helmy; Gunkel, Felix; Du, Hongchu; Schraknepper, Henning; Hoffmann-Eifert, Susanne; Dittmann, Regina; Waser, Rainer; De Souza, Roger
    Do dislocations act as atomic autobahns for oxygen in the perovskite oxide SrTiO3?
    Nanoscale, 6, 21, 12864-12876 (2014)
    [DOI: 10.1039/c4nr04083j]
  • Liu, Milias
    Investigations on the influence of oxygen non-stoichiometry on structure, stability and properties of hafnium oxide thin films
    (2014)
  • Jang, Hyejin; Brendt, Jochen; Patro, Laxmi N.; Martin, Manfred; Yoo, Han-Ill
    Unexpected thermoelectric behavior and immiscibility of the allegedly complete solid solution Sr(Ru1-xTix)O-3
    Physical review / B, 89, 14, 144107 (2014)
    [DOI: 10.1103/PhysRevB.89.144107]
  • Schie, Marcel; Waser, Rainer; De Souza, Roger
    A Simulation Study of Oxygen-Vacancy Behavior in Strontium Titanate: Beyond Nearest-Neighbor Interactions
    The journal of physical chemistry / C, 118, 28, 15185-15192 (2014)
    [DOI: 10.1021/jp504436t]
  • De Souza, Roger; Gunkel, Felix; Hoffmann-Eifert, Susanne; Dittmann, Regina
    Finite-size versus interface-proximity effects in thin-film epitaxial SrTiO3
    Physical review / B, 89, 24, 241401 (2014)
    [DOI: 10.1103/PhysRevB.89.241401]
  • Grieshammer, Steffen Paul; Grope, Benjamin O. H.; Köttgen, Julius Rütger; Martin, Manfred
    A combined DFT plus U and Monte Carlo study on rare earth doped ceria
    Physical chemistry, chemical physics : PCCP, 16, 21, 9974-9986 (2014)
    [DOI: 10.1039/c3cp54811b]
  • Aoki, Yoshitaka; Wiemann, Carsten; Feyer, Vitaliy; Kim, Hong-Seok; Schneider, Claus M.; Ill-Yoo, Han; Martin, Manfred
    Bulk mixed ion electron conduction in amorphous gallium oxide causes memristive behaviour
    Nature communications, 5, 3473 (2014)
    [DOI: 10.1038/ncomms4473]
  • Leichtweiss, Thomas; Henning, Ralph A.; Köttgen, Julius Rütger; Schmidt, Rüdiger Matti; Holländer, Bernd; Martin, Manfred; Wuttig, Matthias; Janek, Jürgen
    Amorphous and highly nonstoichiometric titania (TiOx) thin films close to metal-like conductivity
    Journal of materials chemistry / A, Materials for energy and sustainability, 2, 18, 6631-6640 (2014)
    [DOI: 10.1039/c3ta14816e]
  • Escolastico, Sonia; Schroeder, Michael; Serra, Jose M.
    Optimization of the mixed protonic-electronic conducting materials based on (Nd(5/6)Ln(1/6)5.5)WO(11.25-delta)
    Journal of materials chemistry / A, Materials for energy and sustainability, 2, 18, 6616-6630 (2014)
    [DOI: 10.1039/c3ta14324d]
  • De Souza, Roger; Voisin, Christophe; Schraknepper, Henning; Teusner, Markus; Kessel, Markus Franz; Dufour, Pascal; Tenailleau, Christophe; Guillemet-Fritsch, Sophie
    Complex diffusion behavior of oxygen in nanocrystalline BaTiO3 ceramics
    Physical chemistry, chemical physics : PCCP, 16, 6, 2568-2575 (2014)
    [DOI: 10.1039/c3cp53979b]
  • Li, Ming; Pietrowski, Martha Joanna; De Souza, Roger; Zhang, Huairuo; Reaney, Ian M.; Cook, Stuart N.; Kilner, John A.; Sinclair, Derek C.
    A family of oxide ion conductors based on the ferroelectric perovskite Na0.5Bi0.5TiO3
    Nature materials, 13, 1, 31-35 (2014)
    [DOI: 10.1038/NMAT3782]
  • Martin, Manfred; Zacherle, T.; Schriever, A.; De Souza, Roger; Grieshammer, Steffen Paul
    Ab initio Calculation of the Defect Structure of Ceria
    Solid oxide fuel cells 13 (SOFC-XIII) : [papers presented at the Thirteenth International Symposium on Solid Oxide Fuel Cells (SOFC-XIII), held in Okinawa, Japan, October 6 - 11, 2013] / sponsoring division: High Temperature Materials. Ed.: T. Kawada ..., 2405-2410 (2013)
    [DOI: 10.1149/05701.2405ecst]
  • Kessel, Markus Franz
    Anionen- und Kationendiffusion in Barium- und Strontiumtitanat
    (2013)
  • Pietrowski, M. J.; De Souza, Roger; Fartmann, M.; ter Veen, R.; Martin, Manfred
    Oxygen Isotope Transport Properties of Yttria-Stabilized Zirconia (YSZ) in O-2(-) and H2O-Containing Atmospheres
    Fuel Cells, 13, 5, 673-681 (2013)
    [DOI: 10.1002/fuce.201300087]
  • Ramadan, Amr Hazem Helmy; Allan, Neil L.; De Souza, Roger
    Simulation Studies of the Phase Stability of the Srn+1TinO3n+1 Ruddlesden-Popper Phases
    Journal of the American Ceramic Society, 96, 7, 2316-2321 (2013)
    [DOI: 10.1111/jace.12300]
  • Hinterberg, Judith Maria; Adams, Alina Reghina; Blümich, Bernhard; Heitjans, Paul; Kim, Sangtae; Munir, Zuhair A.; Martin, Manfred
    1 H-NMR measurements of proton mobility in nano-crystalline YSZ
    Physical chemistry, chemical physics : PCCP, 15, 45, 19825-19830 (2013)
    [DOI: 10.1039/c3cp53039f]
  • Grieshammer, Steffen Paul; Zacherle, Tobias; Martin, Manfred
    Entropies of defect formation in ceria from first principles
    Physical chemistry, chemical physics : PCCP, 15, 38, 15935-15942 (2013)
    [DOI: 10.1039/c3cp51913a]
  • Stopic, Srecko; Friedrich, Bernd; Schroeder, Michael; Weirich, Thomas E.
    Synthesis of TiO2 core/RuO2 shell particles using multistep ultrasonic spray pyrolysis
    Materials research bulletin, 48, 9, 3633-3635 (2013)
    [DOI: 10.1016/j.materresbull.2013.05.050]
  • Liu, Milias; Leichtweiß, Thomas; Janek, Jürgen; Martin, Manfred
    In-situ structural investigation of non-stoichiometric HfO2-x films using quick-scanning extended X-ray absorption fine structure
    Thin solid films, 539, 60-64 (2013)
    [DOI: 10.1016/j.tsf.2013.04.149]
  • Zacherle, T.; Schmidt, P. C.; Martin, Manfred
    Ab initio calculations on the defect structure of β-Ga2O3
    Physical review / B, 87, 23, 235206 (2013)
    [DOI: 10.1103/PhysRevB.87.235206]
  • Yi, Jianxin; Weirich, Thomas E.; Schroeder, Michael
    CO2 corrosion and recovery of perovskite-type BaCo1−x−yFexNbyO3−δ membranes
    Journal of membrane science, 437, 49-56 (2013)
    [DOI: 10.1016/j.memsci.2013.02.049]
  • Hinterberg, Judith Maria; Zacherle, T.; De Souza, Roger
    Activation Volume Tensor for Oxygen-Vacancy Migration in Strained CeO2 Electrolytes
    Physical review letters : PRL, 110, 20, 205901 (2013)
    [DOI: 10.1103/PhysRevLett.110.205901]
  • Kikm, Euising; Yeon, Jung In; Martin, Manfred; Yoo, Han-Ill
    Experimental Demonstration of the path- and time-dependence of open-circuit voltage of galvanic cells involving a multinary compound under multiple chemical potential gradients
    Solid state ionics, 235, March, 22-31 (2013)
    [DOI: 10.1016/j.ssi.2013.01.006]
  • Zacherle, Tobias; Schriever, Annalena; De Souza, Roger; Martin, Manfred
    Ab initio analysis of defect structure of ceria
    Physical review / B, 87, 13, 134104 (2013)
    [DOI: 10.1103/PhysRevB.87.134104]
  • De Souza, Roger; Ramadan, Amr Hazem Helmy
    Ionic conduction in the SrTiO3 YSZ SrTiO3 heterostructure
    Physical chemistry, chemical physics : PCCP, 15, 13, 4505-4509 (2013)
    [DOI: 10.1039/c3cp44399j]
  • Lakshmi, N.; Yoo, H.-I.; Martin, Manfred
    Oxidation Kinetics of Zirconium Examined by In Situ X-ray Diffraction
    Journal of the Electrochemical Society : JES, 160, 3, C136-C141 (2013)
    [DOI: 10.1149/2.006304jes]
  • Yi, Jianxin; Schroeder, Michael; Martin, Manfred
    CO2-Tolerant and Cobalt-Free SrFe0.8Nb0.2O3−δ Perovskite Membrane for Oxygen Separation
    Chemistry of materials, 25, 6, 815-817 (2013)
    [DOI: 10.1021/cm303666v]
  • Hinterberg, Judith Maria
    Verbesserung der Eigenschaften von oxidischen Elektrolytmaterialien
    (2012)
  • Zacherle, Tobias
    Ab initio Rechnungen zu Defekten in Galliumoxid
    (2012)
  • Pietrowski, Martha Joanna
    Transporteigenschaften von Wasser und Sauerstoff in Yttrium-stabilisiertem Zirkoniumdioxid
    (2012)
  • Grope, Benjamin O. H.; Zacherle, Tobias; Nakayama, M.; Martin, Manfred
    Oxygen ion conductivity of doped ceria: A Kinetic Monte Carlo study
    Solid state ionics, 225 Special, SI, 476-483 (2012)
    [DOI: 10.1016/j.ssi.2012.01.028]
  • Pietrowski, Martha Joanna; De Souza, Roger; Kim, Sangtae; Munir, Zuhair A.; Martin, Manfred
    Dehydration kinetics of nano-YSZ ceramics monitored by in-situ infrared spectroscopy
    Solid state ionics, 225 Special, 4, 241-244 (2012)
    [DOI: 10.1016/j.ssi.2012.02.033]
  • Schie, Marcel; Marchewka, Astrid; De Souza, Roger; Waser, Rainer
    Atomistic Simulation Study on Oxygen Deficient Strontium Titanate
    Frontiers in electronic materials : a collection of extended abstracts of the Nature Conference Frontiers in Electronic Materials, June 17th to 20th, Aachen, Germany ; [correlation effects, spintronics, and memristive phenomena - fundamentals and applications] / ed. by Joerg Heber ..., 286-286 (2012)
  • Schie, Marcel; Marchewka, Astrid; Müller, Thomas; De Souza, Roger; Waser, Rainer
    Molecular Dynamics Simulations of Oxygen Vacancy Diffusion in SrTiO 3
    Journal of physics / Condensed matter, 24, 48, 485002-485008 (2012)
    [DOI: 10.1088/0953-8984/24/48/485002]
  • Gauquelin, Nicolas
    Impact of the structural anisotropy of La 2 NiO 4+delta on high temperature surface modifications and diffusion of oxygen
    (2012)
  • De Souza, Roger; Metlenko, Veronika; Park, Daesung; Weirich, Thomas E.
    Behavior of oxygen vacancies in single-crystal SrTiO3 : equilibrium distribution and diffusion kinetics
    Physical review / B, 85, 17, 174109 (2012)
    [DOI: 10.1103/PhysRevB.85.174109]
  • Nakayama, Masanobu; Ohshima, Hiromi; Nogami, Masayuki; Martin, Manfred
    A concerted migration mechanism of mixed oxide ion and electron conduction in reduced ceria studied by first-principles density functional theory
    Physical chemistry, chemical physics : PCCP, 14, 17, 6079-6084 (2012)
    [DOI: 10.1039/c2cp00020b]
  • Yi, Jianxin; Brendt, Jochen; Schroeder, Michael; Martin, Manfred
    Oxygen permeation and oxidation states of transition metals in (Fe, Nb)-doped BaCoO3 − δ perovskites
    Journal of membrane science, 387, 17-23 (2012)
    [DOI: 10.1016/j.memsci.2011.08.053]
  • De Souza, Roger; Ramadan, Amr Hazem Helmy; Hoerner, Stefanie
    Modifying the barriers for oxygen-vacancy migration in fluorite-structured CeO2 electrolytes through strain: a computer simulation study
    Energy & environmental science, 5, 1, 5445-5453 (2012)
    [DOI: 10.1039/c2ee02508f]
  • Hirsemann, Dunja; Shylesh, Sankaranarayanapillai; De Souza, Roger; Diar-Bakerly, Bashar; Biersack, Bernhard; Müller, David Nikolaus; Martin, Manfred; Schobert, Rainer; Breu, Josef
    Large-Scale, Low-Cost Fabrication of Janus-Type Emulsifiers by Selective Decoration of Natural Kaolinite Platelets
    Angewandte Chemie / International edition, 51, 6, 1348-1352 (2012)
    [DOI: 10.1002/anie.201106710]
  • Pin, Sonia; Newton, Mark A.; D'Acapito, Francesco; Zema, Michele; Tarantino, Serena C.; Spinolo, Giorgio; De Souza, Roger; Martin, Manfred; Ghigna, Paolo
    Mechanisms of Reactions in the Solid State: (110) Al2O3 + (001) ZnO Interfacial Reaction
    The journal of physical chemistry / C, 116, 1, 980-986 (2012)
    [DOI: 10.1021/jp209622u]
  • Mueller, David N.; De Souza, Roger; Yoo, Han-Ill; Martin, Manfred
    Phase Stability and Oxygen Nonstoichiometry of Highly Oxygen-Deficient Perovskite-Type Oxides: A Case Study of (Ba,Sr)(Co,Fe)O3−δ
    Chemistry of materials, 24, 2, 269-274 (2012)
    [DOI: 10.1021/cm2033004]
  • Harvey, Steven P.; De Souza, Roger; Martin, Manfred
    Diffusion of La and Mn in Ba0.5Sr0.5Co0.8Fe0.2O3−δ polycrystalline ceramics
    Energy & environmental science, 5, 2, 5803-5813 (2012)
    [DOI: 10.1039/c1ee02740a]
  • Brendt, Jochen
    Variation von Kristallinität und Stöchiometrie in mittels PLD hergestellten Schichten aus Galliumoxid, Galliumnitrid und Bariumzirkonat
    (2011)
    [DOI: 10.18154/RWTH-CONV-114614]
  • Belghoul, Badreddine
    Mayenit(Ca 12 Al 14 O 33 )-Bildung durch die Festkörperreaktion zwischen CaAl 2 O 4 und Ca 3 Al 2O 6
    (2011)
  • Mazar, Omri; Schroeder, Michael; Tsur, Yoed
    Synthesis of inside-out core-shell perovskite-type oxide nanopowder
    Chemical engineering journal, 166, 3, 1139-1143 (2011)
    [DOI: 10.1016/j.cej.2010.11.084]
  • Yi, Jianxin; Schroeder, Michael
    High temperature degradation of Ba0.5Sr0.5Co0.8Fe0.2O3−δ membranes in atmospheres containing concentrated carbon dioxide
    Journal of membrane science, 378, 1/2, 163-170 (2011)
    [DOI: 10.1016/j.memsci.2011.04.044]
  • Mauder, Christof; Reuters, Benjamin; Behmenburg, Hannes; De Souza, Roger; Woitok, Joachim F.; Chou, Mitch M. C.; Heuken, Michael; Kalisch, Holger; Jansen, Rolf H.
    Mechanisms of impurity incorporation during MOVPE growth of m-plane GaN layers on LiAlO2
    Physica status solidi / C, Current topics in solid state physics, 8, 7/8, 2050-2052 (2011)
    [DOI: 10.1002/pssc.201001027]
  • Quach, Dat V.; Kim, Sangtae; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.
    Grain Size Effect in the Electrical Properties of Nanostructured Functional Oxides through Pressure Modification of the Spark Plasma Sintering Method
    Key engineering materials, 484, 107-116 (2011)
    [DOI: 10.4028/www.scientific.net/KEM.484.107]
  • Martin, Manfred
    Ionic Transport under Chemical Potential Gradients - Kinetic Demixing and Decomposition in Metal Oxides and Scale Growth in High-Temperature Oxidation
    Materials science forum, 696, 28-33 (2011)
    [DOI: 10.4028/www.scientific.net/MSF.696.28]
  • De Souza, Roger; Munir, Zuhair A.; Kim, Sangtae; Martin, Manfred
    Defect chemistry of grain boundaries in proton-conducting solid oxides
    Solid state ionics, 196, 1, 1-8 (2011)
    [DOI: 10.1016/j.ssi.2011.07.001]
  • Valov, Ilia; Luerssen, Bjoern; Mutoro, Eva; Gregoratti, Luca; De Souza, Roger; Bredow, Thomas; Günther, Sebastian; Barinov, Alexei; Dudin, Pavel; Martin, Manfred; Janek, Jürgen
    Electrochemical activation of molecular nitrogen at the Ir/ YSZ interface
    Physical chemistry, chemical physics : PCCP, 13, 1, 3394-3410 (2011)
    [DOI: 10.1039/C0CP01024C]
  • Röhrens, Daniel
    Über den Effekt von Stickstoffsubstitution auf die strukturellen Eigenschaften von polykristallinem Galliumoxid und die elektrische Leitfähigkeit von amorphen Lanthangallat Dünnschichten
    (2010)
  • Müller, David Nikolaus
    Strukturelle und elektronische Untersuchungen am hoch sauerstoffdefizitären Mischleiter Ba x Sr 1-x Co 0,8 Fe 0,2 O 3-delta (BSCF)
    (2010)
  • De Souza, Roger; Martin, Manfred
    Secondary Ion Mass Spectrometry - SIMS
    The encyclopedia of mass spectrometry / edited by Michael L. Gross .... - Vol. 5: Elemental and isotope ratio mass spectrometry / vol. eds. Diane Beauchemin ..., 381-397 (2010)
  • Quach, Dat V.; Kim, Sangtae; Martin, Manfred; Munir, Zuhair A.
    Sintering and properties of nanometric functional oxides
    Innovative Processing and manufacturing of advanced ceramics and composites : a collection of papers presented at the 8th Pacific Rim Conference on Ceramic and Glass Technology, May 31 - June 5, 2009, Vancouver, British Columbia / American Ceramic Society. Ed. by: Zuhair A. Munir ... Volume ed.: Mrityunjay Singh, 55-61 (2010)
    [DOI: 10.1002/9780470880456.ch5]
  • Avila-Paredes, Hugo J.; Chen, Chien-Ting; Wang, Shizhong; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.; Kim, Sangtae
    Grain boundaries in dense nanocrystalline ceria ceramics : exclusive pathway for proton conduction at room temperature
    Journal of materials chemistry, 20, 45, 10110-10112 (2010)
    [DOI: 10.1039/C0JM02967J]
  • Mader, Werner; Prangenberg, Thomas; Eichhorn, Simon; De Souza, Roger; Martin, Manfred
    Iron Diffusion and Compound Formation in Zinc Oxide
    Diffusion fundamentals, 12, 57, 2 Seiten (2010)
  • Quach, Dat V.; Avila-Paredes, Hugo J.; Kim, Sangtae; Martin, Manfred; Munir, Zuhair A.
    Pressure effects and grain growth kinetics in the consolidation of nanostructured fully stabilized zirconia by pulsed electric current sintering
    Acta materialia, 58, 1, 5022-5030 (2010)
    [DOI: 10.1016/j.actamat.2010.05.038]
  • Avila-Paredes, Hugo J.; Barrera-Calva, Enrique; Anderson, Harlan U.; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.; Kim, Sangtae
    Room-temperature protonic conduction in nanocrystalline films of yttria-stabilized zirconia
    Journal of materials chemistry, 20, 30, 6235-6238 (2010)
    [DOI: 10.1039/C0JM00051E]
  • Mueller, David N.; De Souza, Roger; Weirich, Thomas E.; Röhrens, Daniel; Mayer, Joachim; Mayer, Joachim; Martin, Manfred
    A kinetic study of the decomposition of the cubic perovskite-type oxide BaxSr1−xCo0.8Fe0.2O3−δ (BSCF) (x = 0.1 and 0.5)
    Physical chemistry, chemical physics : PCCP, 12, 35, 10320-10328 (2010)
    [DOI: 10.1039/C0CP00441C]
  • Kessel, Markus Franz; De Souza, Roger; Yoo, Han-Ill; Martin, Manfred
    Strongly enhanced incorporation of oxygen into barium titanate based multilayer ceramic capacitors using water vapor
    Applied physics letters, 97, 2, 021910 (2010)
    [DOI: 10.1063/1.3460156]
  • Röhrens, Daniel; Brendt, Jochen; Samuelis, Dominik; Martin, Manfred
    On the ammonolysis of Ga2O3: An XRD, neutron diffraction and XAS investigation of the oxygen-rich part of the system Ga2O3-GaN
    Journal of solid state chemistry, 183, 3, 532-541 (2010)
    [DOI: 10.1016/j.jssc.2009.12.024]
  • Wang, Shizhong; Chen, Shushu; Navrotsky, Alexandra; Martin, Manfred; Kim, Sangtae; Munir, Zuhair A.
    Modified polyol-mediated synthesis and consolidation of Gd-doped ceria nanoparticles
    Solid state ionics, 181, 8/10, 372-378 (2010)
    [DOI: 10.1016/j.ssi.2010.01.021]
  • Avila-Paredes, Hugo J.; Zhao, Jinfeng; Wang, Shizhong; Pietrowski, Martha Joanna; De Souza, Roger; Reinholdt, Alexander; Munir, Zuhair A.; Martin, Manfred; Kim, Sangtae
    Protonic conductivity of nano-structured yttria-stabilized zirconia: dependence on grain size
    Journal of materials chemistry, 20, 6, 990-994 (2010)
    [DOI: 10.1039/b919100c]
  • Martin, Manfred; De Souza, Roger; Samuelis, Dominik; Börger, Alexander; Valov, Ilia; Becker, Klaus-Dieter; Janek, Jürgen; Schmidt, Peter; Nagarajan, Lakshmi
    Verfahren zur Erzeugung eines Leiter-Nichtleiter-Übergangs
    (2009)
  • De Souza, Roger
    The formation of equilibrium space-charge zones at grain boundaries in the perovskite oxide SrTiO3
    Physical chemistry, chemical physics : PCCP, 11, 43, 9939-9969 (2009)
    [DOI: 10.1039/b904100a]
  • De Souza, Roger; Martin, Manfred
    Probing Diffusion Kinetics with Secondary Ion Mass Spectrometry
    MRS bulletin, 34, 12, 907-914 (2009)
    [DOI: 10.1557/mrs2009.212]
  • Martin, Manfred; Dronskowski, Richard; Janek, Jürgen; Becker, Klaus-Dieter; Röhrens, Daniel; Brendt, Jochen; Lumey, Marck-Willem; Lakshmi, Nagarajan; Valov, Ilia; Börger, Alexander
    Thermodynamics, structure and kinetics in the system Ga-O-N
    Progress in Solid State Chemistry, 37, 2/3, 132-152 (2009)
    [DOI: 10.1016/j.progsolidstchem.2009.11.005]
  • Litzelman, Scott J.; De Souza, Roger; Butz, Benjamin; Tuller, Harry L.; Martin, Manfred; Gerthsen, Dagmar
    Heterogeneously doped nanocrystalline ceria films by grain boundary diffusion : impact on transport properties
    Journal of electroceramics, 22, 4, 405-415 (2009)
    [DOI: 10.1007/s10832-008-9445-y]
  • De Souza, Roger; Martin, Manfred
    An atomistic simulation study of oxygen-vacancy migration in perovskite electrolytes based on LaGaO3
    Monatshefte für Chemie = Chemical monthly, 140, 9, 1011-1015 (2009)
    [DOI: 10.1007/s00706-009-0120-z]
  • Kim, Sangtae; Avila-Paredes, Hugo J.; Wang, Shizhong; Chen, Chien-Ting; De Souza, Roger; Martin, Manfred; Munir, Zuhair A.
    On the conduction pathway for protons in nanocrystalline yttria-stabilized zirconia
    Physical chemistry, chemical physics : PCCP, 11, 17, 3035-3038 (2009)
    [DOI: 10.1039/b901623f]
  • Brendt, Jochen; Samuelis, Dominik; Weirich, Thomas E.; Martin, Manfred
    An in situ XAS investigation of the kinetics of the ammonolysis of Ga2O3 and the oxidation of GaN
    Physical chemistry, chemical physics : PCCP, 11, 17, 3127-3137 (2009)
    [DOI: 10.1039/b901819k]
  • Nakayama, Masanobu; Martin, Manfred
    First-principles study on defect chemistry and migration of oxide ions in ceria doped with rare-earth cations
    Physical chemistry, chemical physics : PCCP, 11, 17, 3241-3249 (2009)
    [DOI: 10.1039/b900162j]
  • Miyoshi, Shogo; Martin, Manfred
    B-site cation diffusivity of Mn and Cr in perovskite-type LaMnO3 with cation deficit nonstoichiometry
    Physical chemistry, chemical physics : PCCP, 11, 17, 1463-9076 (2009)
    [DOI: 10.1039/b901208g]
  • Müller, David Nikolaus; De Souza, Roger; Brendt, Jochen; Samuelis, Dominik; Martin, Manfred
    Oxidation states of the transition metal cations in the highly nonstoichiometric perovskite-type oxide Ba0.1Sr0.9Co0.8Fe0.2O3-delta
    Journal of materials chemistry, 19, 14, 1960-1963 (2009)
    [DOI: 10.1039/b819415g]
  • Quiroga, E.; Bensch, Wolfgang; Yu, Z.; Aceves, Mariano; De Souza, Roger; Martin, Manfred; Zaporojtchenko, V.
    Structural characteristics of a multilayer of silicon rich oxide (SRO) with high Si content prepared by LPCVD
    Physica status solidi / A, Applications and materials science, 206, 2, 263-269 (2009)
    [DOI: 10.1002/pssa.200824365]
  • Byun, Young Chang
    Oxygen transport in Ba(Fe,Co,Zr)O 3 - delta membranes
    (2008)
  • De Souza, Roger; Martin, Manfred
    Using 18O/16O exchange to probe an equilibrium space-charge layer at the surface of a crystalline oxide: method and application
    Physical chemistry, chemical physics : PCCP, 10, 17, 2356-2367 (2008)
    [DOI: 10.1039/b719618k]
  • Fischer, Horst; De Souza, Roger; Wätjen, Anja; Richter, Silvia; Edelhoff, Daniel; Mayer, Joachim; Martin, Manfred; Telle, Rainer
    Chemical strengthening of a dental lithium disilicate glass-ceramic material
    Journal of biomedical materials research / Part A, 87, 3, 582-587 (2008)
    [DOI: 10.1002/jbm.a.31798]
  • Fielitz, Peter; Borchardt, Günter; De Souza, Roger; Martin, Manfred; Masoud, Muayad; Heitjans, Paul
    Oxygen-18 surface exchange and diffusion in Li2O-deficient single crystalline lithium niobate
    Solid state sciences : SSS, 10, 6 : Spec. iss., 746-753 (2008)
    [DOI: 10.1016/j.solidstatesciences.2007.11.020]
  • Körfer, Sylvia; De Souza, Roger; Yoo, Han-Ill; Martin, Manfred
    Diffusion of Sr and Zr in BaTiO3 single crystals
    Solid state sciences : SSS, 2008, 725-734 (2008)
    [DOI: 10.1016/j.solidstatesciences.2007.06.017]
  • Samuelis, Dominik
    In situ XAS-Untersuchungen zur Partialoxidation von Acrolein an Mischoxidkatalysatoren
    (2008)
  • Yoo, Han-Ill; Lee, Chung-Eun; De Souza, Roger; Martin, Manfred
    Equal mobility of constituent cations in BaTiO3
    Applied physics letters, 92, 25, 252103 (2008)
    [DOI: 10.1063/1.2951606]
  • Massot, Michel; Oleaga, A.; Salazar, A.; Prabhakaran, D.; Martin, Manfred; Berthet, P.; Dhalenne, G.
    Critical behavior of CoO and NiO from specific heat, thermal conductivity, and thermal diffusivity measurements
    Physical review / B, 77, 13, 134438 (2008)
    [DOI: 10.1103/PhysRevB.77.134438]
  • Nagarajan, Lakshmi; De Souza, Roger; Samuelis, Dominik; Valov, Ilia; Börger, Alexander; Janek, Jürgen; Becker, Klaus-Dieter; Schmidt, Peter C.; Martin, Manfred
    A chemically driven insulator-metal transition in non-stoichiometric and amorphous gallium oxide
    Nature materials, 6, 7, 391-398 (2008)
    [DOI: 10.1038/nmat2164]
  • De Souza, Roger; Pietrowski, Martha Joanna; Anselmi-Tamburini, Umberto; Kim, Sangtae; Munir, Zuhair A.; Martin, Manfred
    Oxygen diffusion in nanocrystalline yttria-stabilized zirconia : the effect of grain boundaries
    Physical chemistry, chemical physics : PCCP, 10, 15, 2067-2072 (2008)
    [DOI: 10.1039/b719363g]
  • Belova, Irina; Murch, Graeme E.; Samuelis, Dominik; Martin, Manfred
    Diffusion kinetics analysis of cation diffusion in YSZ and LSGM
    Diffusion and defect data / A, Defect and diffusion forum : DDF, 273/276, 445-454 (2008)
    [DOI: 10.4028/www.scientific.net/DDF.273-276.445]
  • Kim, Sangtae; Anselmi-Tamburini, Umberto; Park, Hee Jung; Martin, Manfred
    Unprecedented room-temperature electrical power generation using nanoscale fluorite-structured oxide electrolytes
    Advanced materials, 20, 3, S. 556-559 (2008)
    [DOI: 10.1002/adma.200700715]
  • Kroll, Peter; Schulte, Hendrik J.
    Nano-sized crystals of silicon embedded in silica glass: Large scale models and aspects of the electronic structure
    Group IV semiconductor nanostructures - 2006 : symposium held November 27 - December 1, 2006, Boston, Massachusetts, U.S.A.; presentations ... made during Symposium L: 'Group-IV Semiconductor Nanostructures' held November 27 - December 1 at the 2006 MRS fall meeting] / ed.: Leonid Tsybeskov ..., 293-299 (2007)
    [DOI: 10.1557/PROC-0958-L07-16]
  • Kienle, Lorenz; Johrendt, Dirk; De Souza, Roger
    Trendbericht : Festkörperchemie 2006
    Nachrichten aus der Chemie, 55, 3, 243-251 (2007)
    [DOI: 10.1002/nadc.20050530310]
  • Martin, Manfred
    Oxygen and cation diffusion processes in oxygen ion conductors
    Diffusion fundamentals, 6, 39 (2007)
  • Schroeder, Michael; Dragan, Mirela-Anca
    Oxygen transport in La2-xSrx NiO4+δ: membrane permeation and defect chemical modelling
    Journal of materials science : JMS, 42, 6, 1972-1983 (2007)
    [DOI: 10.1007/s10853-006-0739-7]
  • Caro, Jürgen; Caspary, Karl; Hamel, Christof; Hoting, Björn; Koelsch, Peter; Langanke, Bernd; Nassauer, Konrad; Noack, Manfred; Schiestel, Thomas; Schroeder, Michael; Byun, Young Chang; Seidel-Morgenstern, Andreas; Tsotsas, Evangelos; Wang, Haihui; Werth, Steffen
    Perovskite hollow-fiber membranes for catalytic partial oxidation of methane to synthesis gas
    Chemie - Ingenieur - Technik, 79, 6, 831-842 (2007)
    [DOI: 10.1002/cite.200700046]
  • De Souza, Roger; Maier, J.
    Capacitance of single crystal and low-angle tilt bicrystals of Fe-doped SrTiO3
    Faraday discussions, 134, 235-245 (2007)
    [DOI: 10.1039/b602914k]
  • Martin, Manfred; Lakshmi, N.; Koops, U.; Yoo, Han-Ill
    In situ investigations on the oxidation of metals
    Zeitschrift für physikalische Chemie, 221, 11/12, 1499-1508 (2007)
    [DOI: 10.1524/zpch.2007.221.11-12.1499]
  • Kampe, Philip; Giebeler, Lars; Samuelis, Dominik; Kunert, Jan; Drochner, Alfons; Haaß, Frank; Adams, Andreas H.; Ott, Jörg; Endres, Silvia; Martin, Manfred; Fuess, Hartmut; Vogel, Herbert
    Heterogeneously catalysed partial oxidation of acrolein to acrylic acid-structure, function and dynamicy of the V-Mo-W mixed oyides
    Physical chemistry, chemical physics : PCCP, 9, 27, 3577-3589 (2007)
    [DOI: 10.1039/b700098g]
  • De Souza, Roger; Martin, Manfred
    Secondary ion mass spectrometry (SIMS) : a powerful tool for studying mass transport over various length scales
    Physica status solidi / C, Current topics in solid state physics, 4, 6, 1785-1801 (2007)
    [DOI: 10.1002/pssc.200675227]
  • Valov, Ilia; De Souza, Roger; Wang, C. Z.; Börger, Alexander; Korte, Carsten; Martin, Manfred; Becker, K.-D.; Janek, Jürgen
    Preparation of nitrogen-doped YSZ thin films by pulsed laser deposition and their characterization
    Journal of materials science : JMS, 42, 6, 1931-1941 (2007)
    [DOI: 10.1007/s10853-006-0174-9]
  • Luo, Chunhui; Martin, Manfred
    Stability and defect structure of spinels Li1+xMn2-xO4-delta : I. In situ investigations on the stability field of the spinel phase
    Journal of materials science : JMS, 42, 6, 1955-1964 (2007)
    [DOI: 10.1007/s10853-006-0452-6]
  • Belova, Irina; Samuelis, Dominik; Martin, Manfred; Murch, G. E.
    Analysis of the demixing of yttria-stabilized zirconia in an electric field for different diffusion mechanisms
    The philosophical magazine, 87, 10, 1447-1463 (2007)
    [DOI: 10.1080/14786430600835805]
  • Stanislowski, M.; Peck, D.-H.; Woo, S.-K.; Singheiser, Lorenz; Hilpert, Klaus; Schulz, Olaf; Martin, Manfred
    Vaporization and diffusion studies on the stability of doped lanthanum gallates
    Fuel Cells, 6, 3/4, 270-283 (2006)
    [DOI: 10.1002/fuce.200500232]
  • Valov, Ilia; Korte, Carsten; De Souza, Roger; Martin, Manfred; Janek, Jürgen
    Electrochemical Incorporation of Nitrogen into a Zirconia Solid Electrolyte
    Electrochemical and solid state letters, 9, 5, F23-F26 (2006)
    [DOI: 10.1149/1.2183888]
  • Wang, Haihui; Schiestel, Thomas; Tablet, Cristina; Schroeder, Michael; Caro, Jürgen
    Mixed oxygen ion and electron conducting hollow fiber membranes for oxygen separation
    Solid state ionics, 177.2006, 26/32 : Special issue, 2255-2259 (2006)
    [DOI: 10.1016/j.ssi.2006.05.039]
  • Martin, Manfred
    On the ionic conductivity of strongly acceptor doped, fluorite-type oxygen ion conductors
    Journal of electroceramics, 17, 2/4, 765-773 (2006)
    [DOI: 10.1007/s10832-006-6007-z]
  • Belova, Irina; Samuelis, Dominik; Martin, Manfred; Murch, G. E.
    Cation diffusion and demixing in yttria stabilized zirconia : comparison of assumptions of constant electric field and constant current
    Diffusion and defect data / A, Defect and diffusion forum : DDF, 258/260, 247-252 (2006)
    [DOI: 10.4028/www.scientific.net/DDF.258-260.247]
  • Belova, Irina; Murch, Graeme E.; Samuelis, Dominik; Martin, Manfred
    Collective and tracer diffusion via a defect cluster in LSGM
    Diffusion and defect data / A, Defect and diffusion forum : DDF, 263, 81-86 (2006)
    [DOI: 10.4028/www.scientific.net/DDF.263.81]
  • De Souza, Roger
    A universal empirical expression for isotope surface exchange coefficients (k*) of acceptor-doped perovskite and fluorite oxides
    Physical chemistry, chemical physics : PCCP, 21, 8, 890-897 (2006)
    [DOI: 10.1039/b511702j]
  • De Souza, Roger; Martin, Manfred
    Secondary ion mass spectrometry - SIMS : a powerful tool for studying elemental distributions over various length scales
    Bunsen-Magazin, 8, 5, 109-120 (2006)
  • Belova, Irina; Murch, Graeme E.; Samuelis, Dominik; Martin, Manfred
    Contribution to the theory of demixing of yttrium in yttria-stabilized-zirconia in an electric field
    Mass and Charge Transport in Inorganic Materials III : Proceedings of the 3rd International Conference "Mass and Charge Transport in Inorganic Materials", of the Forum on New Materials, part of CIMTEC 2006 - 11th International Ceramics Congress and 4th Forum on New Materials, Acireale, Sicily, Italy, June 4-9, 2006, 42-47 (2006)
  • Belova, Irina; Samuelis, Dominik; Martin, Manfred; Murch, Graeme E.
    Correlation effects for cation diffusion via vacancy-pairs in fluorite-related oxides
    The philosophical magazine, 86, 23, 3559-3567 (2006)
    [DOI: 10.1080/14786430600669808]
  • De Souza, Roger; Meyer, R.
    Comment on 'Atomic-scale model of the grain boundary potential in perovskite oxides'
    Physical review / B, 72, 5, 056101 (2005)
    [DOI: 10.1103/PhysRevB.72.056101]
  • De Souza, Roger; Zehnpfenning, J.; Martin, Manfred; Maier, J.
    Determining oxygen isotope profiles in oxides with Time-of-Flight SIMS
    Solid state ionics, 176, 15/16, 1465-1471 (2005)
    [DOI: 10.1016/j.ssi.2005.03.012]
  • Kroll, Peter; Dronskowski, Richard; Martin, Manfred
    Formation of spinel-type gallium oxynitrides : a density-functional study of binary and ternary phases in the system Ga-O-N
    Journal of materials chemistry, 15, 32, 3296-3302 (2005)
    [DOI: 10.1039/b506687e]
  • Martin, Manfred
    Diffusion in oxides
    Diffusion in Condensed Matter : A Handbook / Hrsg. Jörg Kärger; Hrsg. Paul Heitjans, 209-247 (2005)
    [DOI: 10.1007/3-540-30970-5_5]
  • De Souza, Roger; Fleig, Jürgen; Maier, Joachim; Zhang, Zaoli; Sigle, Wilfried; Rühle, Manfred
    Electrical resistance of low-angle tilt grain boundaries in acceptor-doped SrTiO3 as a function of misorientation angle
    Journal of applied physics, 97, 5, 053502 (2005)
    [DOI: 10.1063/1.1853495]
  • Schroeder, Michael
    Modeling of ceramic bilayer membranes
    Physical chemistry, chemical physics : PCCP, 7, 1, 166-172 (2005)
    [DOI: 10.1039/B405436A]
  • Martin, Manfred
    The influence of cation and vacancy distributions on the ionic conductivity of acceptor doped oxygen ion conductors
    Zeitschrift für physikalische Chemie, 219, 1, 105-122 (2005)
    [DOI: 10.1524/zpch.219.1.105.55016]
  • De Souza, Roger; Chater, R. J.
    Oxygen exchange and diffusion measurements : the importance of extracting the correct initial and boundary conditions
    Solid state ionics, 176, 23/24, 1915-1920 (2005)
    [DOI: 10.1016/j.ssi.2005.05.010]
  • Schimanke, Guido; Martin, Manfred; Kunert, Jan; Vogel, Herbert
    Characterization of Mo-V-W mixed oxide catalysts by ex situ and in situ X-ray absorption spectroscopy
    Zeitschrift für anorganische und allgemeine Chemie : ZAAC = Journal of inorganic and general chemistry, 631, 6, 1289-1296 (2005)
    [DOI: 10.1002/zaac.200500064]
  • Ruiz-Trejo, Enrique; De Souza, Roger
    Dopant substitution and oxygen migration in the complex perovskite oxide Ba3CaNb2O9: A computational study
    Journal of solid state chemistry, 178, 6, 1959-1967 (2005)
    [DOI: 10.1016/j.jssc.2005.04.002]
  • He, Lian-Xing; Lee, Doh-Kwon; Yoo, Han-Ill; Martin, Manfred
    Ionic conductivity of undoped BaTiO3-δ with electron transfer supressed
    Solid state ionics, 176, 9/10, 929-935 (2005)
    [DOI: 10.1016/j.ssi.2004.11.014]
  • Zhang, Zaoli; Sigle, Wilfried; De Souza, Roger; Kurtz, Wolfgang; Maier, Joachim; Rühle, Manfred
    Comparative studies of microstructure and impedance of small-angle symmetrical and asymmetrical grain boundaries in SrTiO3
    Acta materialia, 53, 19, 5007-5015 (2005)
    [DOI: 10.1016/j.actamat.2005.07.015]
  • Tablet, Cristina; Grubert, Gerd; Wang, Haihui; Schiestel, Thomas; Schroeder, Michael; Langanke, Bernd; Caro, Jürgen
    Oxygen permeation study of perovskite hollow fibre membranes
    Catalysis today, 104, 2/4, 126-130 (2005)
    [DOI: 10.1016/j.cattod.2005.03.064]
  • Martin, Manfred; Teuber, Heiko
    Thermodynamic and kinetic influences on the morphology of moving interfaces during solid state reactions
    International journal of materials research : IJMR, 95, 4, 247-251 (2004)
    [DOI: 10.3139/ijmr-2004-0053]
  • Martin, Manfred; Schulz, O.
    Thermodynamics and cation diffusnon in the oxygen ion conductor LSGM
    The science and technology of ions in motion : proceedings of the 9th Asian Conference on Solid State Ionics, Jeju Island, South Korea, 6 - 11 June 2004 / eds.: B. V. R. Chowdari ...Asian Conference on Solid State Ionics <9, 2004, Jeju Island>. Asian Conference on Solid State Ionics ; 9 (Jeju Island) : 2004.06.06-11, 787-797 (2004)
    [DOI: 10.1142/9789812702586_0088]
  • De Souza, Roger; Martin, Manfred
    Secondary ion mass spectrometry: A powerful tool for diffusion studies in solids
    Archives of metallurgy and materials, 49, 2, 431-446 (2004)
  • Martin, Manfred; Schulz, Olaf
    Thermodynamics and cation diffusion in he oxygen ion conductor LSGM
    The science and technology of ions in motion : proceedings of the 9th Asian Conference on Solid State Ionics, Jeju Island, South Korea, 6 - 11 June 2004 / eds.: B. V. R. Chowdari ...Asian Conference on Solid State Ionics <9, 2004, Jeju Island>. Asian Conference on Solid State Ionics ; 9 (Jeju Island) : 2004.06.06-11, 787-797 (2004)
  • Martin, Manfred; Koops, U.; Lakshmi, Nagarajan
    Reactivity of solids studied by in situ XAS and XRD
    Solid state ionics, 172, 357-363 (2004)
    [DOI: 10.1016/j.ssi.2004.02.052]
  • Martin, Manfred; Teuber, H.
    Thermodynamic and kinetic influences on the morphology of moving interfaces during solid state reactions
    International journal of materials research : IJMR, 95, 4, 247-251 (2004)
  • Kilo, M.; Taylor, M. A.; Argirusis, Christos; Borchardt, G.; Jackson, R. A.; Schulz, Olaf; Martin, Manfred; Weller, M.
    Modeling of cation diffusion in oxygen ion conductors using molecular dynamics
    Solid state ionics, 175, 823-827 (2004)
    [DOI: 10.1016/j.ssi.2004.09.059]
  • Martin, Manfred
    Trapping during hopping conduction of electronic defects : a conductivity model for doped transition metal oxides
    Physical chemistry, chemical physics : PCCP, 6, 3627-3632 (2004)
    [DOI: 10.1039/b402156h]
  • Matraszek, L.; Singheiser, Lorenz; Kobertz, D.; Hilpert, K.; Miller, M.; Schulz, O.; Martin, Manfred
    Phase diagram study in the La2O3-Ga2O3-MgO-SrO system in air
    Solid state ionics, 166, 3/4, 343-350 (2004)
    [DOI: 10.1016/j.ssi.2003.11.016]
  • De Souza, Roger
    Ionen in Perovskit Oxiden : wie leicht springen sie?
    RWTH-Themen : Berichte aus der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2004, 2, 16-18 (2004)
    [DOI: 10.18154/RWTH-CONV-017918]
  • Schroeder, Michael; Martin, Manfred
    Thermodynamics of new materials
    Chemical thermodynamics for industry / ed. by Trevor Letcher / Royal Society of Chemistry, 180-196 (2004)
  • Martin, Manfred
    Kinetische Monte Carlo Simulationen von Festkörpern
    RWTH-Themen : Berichte aus der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2004, 2, 48-51 (2004)
    [DOI: 10.18154/RWTH-CONV-097433]
  • De Souza, Roger; Fleig, Juergen.; Merkle, Rotraut.; Maier, Joachim.
    SrTiO3 : a model electroceramic
    International journal of materials research : IJMR, 94, 3, 218-225 (2003)
    [DOI: 10.3139/ijmr-2003-0043]
  • De Souza, Roger; Maier, J.
    A computational study of cation defects in LaGaO3
    Physical chemistry, chemical physics : PCCP, 5, 4, 740-748 (2003)
    [DOI: 10.1039/b209062g]
  • Martin, Manfred
    Complex oxides: defect chemistry, transport and chemical reaction
    Physical chemistry, chemical physics : PCCP, 5, 11, V-V (2003)
    [DOI: 10.1039/B303778A]
  • Schulz, Olaf; Flege, S.; Martin, Manfred
    Cation self-and impurity diffusion in poly-crystalline La0.9Sr0.1Ga0.9Mg0.1O2.9
    Solid oxide fuel cells VIII (SOFC VIII) : proceedings of the international symposium ; [papers presented at the Eighth International Symposium on Solid Oxide Fuel Cells, held in Paris, France, April 27 to May 2, 2003] / sponsoring division: High Temperature Materials, Battery, and Energy Technology Divisions of the Electrochemical Society; SOFC Society of Japan. Ed.: S. C. Singhal ... SOFC-Kenkyukai. SOFC ; 8 (Paris) : 2003.04.27-05.02, 304-314 (2003)
  • Lakshmi, Nagarajan; Martin, Manfred
    Texture evolution in oxides during high temperature oxidation of cobalt studied by in situ X-Ray diffraction
    High temperature corrosion and materials chemistry IV : proceedings of the international symposium ; [held at the 203rd meeting of the Electrochemical Society, in Paris, France, April 30 - May 2, 2003] / sponsoring division: Corrosion. Ed.: E. Opila ... International Symposium on High Temperature Corrosion and Materials Chemistry <4, 2003, Paris>. Electrochemical Society / Corrosion Division. International Symposium on High Temperature Corrosion and Materials Chemistry ; 4 (Paris) : 2003.04.30-05.02. Meeting of the Electrochemical Society ; 203 (Paris) : 2003.04.30-05.02, 210-220 (2003)
  • Martin, Manfred
    Materials in thermodynamic potential gradients
    Pure and applied chemistry, 75, 7, 889-903 (2003)
    [DOI: 10.1351/pac200375070889]
  • Martin, Manfred
    Materials in thermodynamic potential gradients
    The journal of chemical thermodynamics : JCT, 35, 1291-1308 (2003)
  • Schulz, Olaf; Martin, Manfred; Argirusis, Christos; Borchardt, Günter
    Cation tracer diffusion of 138La,84Sr and 25Mg in polycrystalline La0.9Sr0.1Ga0.9Mg0.1O2.9
    Physical chemistry, chemical physics : PCCP, 5, 2308-2313 (2003)
    [DOI: 10.1039/B301882M]
  • Schuchert, I. U.; Toimil Molares, M. E.; Dobrev, D.; Vetter, J.; Neumann, R.; Martin, Manfred
    Electrochemical copper deposition in etched ion track membranes
    Journal of the Electrochemical Society : JES, 150, C189-C189 (2003)
    [DOI: 10.1149/1.1554722]
  • Haaß, Frank; Adams, Andreas H.; Buhrmester, Thorsten; Schimanke, Guido; Martin, Manfred; Fuess, Hartmut
    X-Ray absorption and X-ray diffraction studies on molybdenum doped vanadium pentoxide
    Physical chemistry, chemical physics : PCCP, 5, 4317-4324 (2003)
    [DOI: 10.1039/b307158h]
  • Matraszek, Aleksandra Joanna; Singheiser, Lorenz; Kobertz, Dietmar; Hilpert, Klaus; Miller, Miroslaw; Martin, Manfred
    Thermodynamic investigations of Sr- and Mg-doped lanthanum gallate by Knudsen effusion mass spectrometry and defect chemical analysis
    Physical chemistry, chemical physics : PCCP, 5, 3042-3052 (2003)
    [DOI: 10.1039/b302696e]
  • Koops, Ulrich; Martin, Manfred
    Kinetics of oxidation processes in the system Co/Ga studied by in situ X-ray diffraction
    Zeitschrift für anorganische und allgemeine Chemie : ZAAC = Journal of inorganic and general chemistry, 629, 1688-1700 (2003)
    [DOI: 10.1002/zaac.200300141]
  • Meyer, R.; De Souza, Roger
    The different origins of grain-boundary resistance in acceptor-doped and donor-doped SrTiO3
    Interfaces in electronic materials : proceedings of the international symposium ; [Symposium on Interfaces in Electronic Materials, held during the joint annual meetings of the Electrochemical Society and the Electronics Division of the American Ceramic Society, October 12 - 16, 2003 in Orlando, Florida] / sponsoring divisions: Electronics and Photonics, Dielectric Science and Technology, High Temperature Materials. Ed.: L. Cook ..., 220-234 (2003)
  • Kilo, Martin; Taylor, M. A.; Argirusis, Christos; Borchardt, Günter; Lesage, B.; Weber, S.; Scherrer, S.; Scherrer, H.; Schroeder, Michael
    Cation self-diffusion of 44Ca, 88Y and 96Zr in single-crystalline calcia- and yttria-doped zirconia
    Journal of applied physics, 94, 12, 7547-7552 (2003)
    [DOI: 10.1063/1.1628379]
  • Martin, Manfred
    Life and achievements of Carl Wagner, 100th birthday
    Solid state ionics, 152/153, SI, 15-17 (2002)
    [DOI: 10.1016/S0167-2738(02)00318-1]
  • Koops, Ulrich; Heese, D.; Martin, Manfred
    High-temperature oxidation of CoGa: influence of the crystallographic orientation on the oxidation rate
    Journal of materials research : JMR, 17, 2489-2498 (2002)
    [DOI: 10.1557/JMR.2002.0363]
  • Kilo, M.; Borchardt, G.; Lesage, B.; Weber, S.; Scherrer, S.; Schroeder, Michael; Martin, Manfred
    Y and Zr tracer diffusion in yttria- stabilized zirconia at temperatures between 1250 K and 2000 K
    Key engineering materials, 206/213, 601-604 (2002)
    [DOI: 10.4028/www.scientific.net/KEM.206-213.601]
  • Matraszek, Aleksandra Joanna; Kobertz, Dietmar; Singheiser, Lorenz; Hilpert, Klaus; Kuncewicz-Kupczyk, Wioletta; Miller, Miroslaw; Schulz, Olaf; Martin, Manfred
    Thermodynamic and Cation Diffusion Studies of Perovskites on the Basis of LaGaO3 and Implications for SOFC
    Materialwissenschaft und Werkstofftechnik = Materials science and engineering technology, 33, 6, 355-362 (2002)
    [DOI: 10.1002/1521-4052(200206)33:6<355::AID-MAWE355>3.0.CO;2-G]
  • Haaß, Frank; Buhrmester, T.; Martin, Manfred
    High-temperature in situ X-ray absorption studies on the iron valence in iron-doped nickel oxide (Ni1−xFex)1−δO
    Solid state ionics, 141/142, 289-293 (2001)
    [DOI: 10.1016/S0167-2738(01)00763-9]
  • Mains, Gilbert J.; Nantsis, Evangelos A.; Carper, W. Robert
    Ab initio bonding, molecular structure, and quadrupole coupling constants of aluminum chlorides
    The journal of physical chemistry / A, Molecules, spectroscopy, kinetics, environment & general theory, 105, 17, 4371-4378 (2001)
    [DOI: 10.1021/jp004549w]
  • Haaß, Frank; Buhrmester, Thorsten; Martin, Manfred
    Quantitative elaboration of the defect structure of iron doped nickel oxide (Ni0.955Fe0.045)1−δO by in situ X-ray absorption spectroscopy
    Physical chemistry, chemical physics : PCCP, 3, 21, 4806-4810 (2001)
    [DOI: 10.1039/B103884M]
  • Haaß, Frank; Buhrmester, Thorsten; Mertens, D.; Adams, Andreas H.; Martin, Manfred
    XAS on molybdenum doped vanadium pentoxide: A model system for oxidation catalysis XAS on molybdenum doped vanadium pentoxide: A model system for oxidation catalysis
    Jahresbericht ... / Hamburger Synchrotronstrahlungslabor HASYLAB am Deutschen Elektronen-Synchrotron DESY = Annual report / Hamburger Synchrotronstrahlungslabor HASYLAB am Deutschen Elektronen-Synchrotron DESY, 2001 (2001)
  • Kilo, M.; Borchardt, G.; Lesage, B.; Weber, S.; Scherrer, S.; Martin, Manfred; Schroeder, Michael
    Zr and stabilizer tracer diffusion in calcia- and yttria-stabilized zirconia
    Proceedings volume / Electrochemical Society. - 2001,16, 275-283 (2001)
  • Hong, J. O.; Yoo, Han-Ill; Teller, O.; Martin, Manfred; Mizusaki, J.
    Unmixing of a mixed oxide (A,B,)O in an electric field : numerical solution of the time evolution of the unmixing process
    Solid state ionics, 144, 3/4, 241-248 (2001)
    [DOI: 10.1016/S0167-2738(01)00970-5]
  • Nuffer, Jürgen; Schroeder, Michael; Lupascu, Doru C.; Rödel, Jürgen
    Negligible oxygen liberation during bipolar electric cycling of ferroelectric lead zirconate titanate ceramics
    Applied physics letters, 79, 22, 3675-3677 (2001)
    [DOI: 10.1063/1.1421089]
  • Martin, Manfred
    Transportvorgänge und Morphologie an inneren Grenzflächen
    Festkörperreaktionen - Transport, Mechanismen und die Rolle von Phasengrenzen : zum 80. Geburtstag von Altpräsident Heinz Bethge ; Leopoldina-Meeting vom 19. bis 20. November 1999 in Halle (Saale) / Deutsche Akademie der Naturforscher Leopoldina, Halle (Saale). Wiss. Vorbereitung und Organisation: Johannes Heydenreich ; Herrmann Schmalzried, 155-173 (2000)