Showing 1 - 50 of 338 Results

  • 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; 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, 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
    [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
    [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
    [DOI: 10.18154/RWTH-2022-01046]
  • Wardenga, Hans F.; Schuldt, Katharina N. S.; Waldow, Stephan; 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, 24, 2, 1072-1080 (2022)
    [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
    [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
    [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
    [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
    [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, U. N.; Kessel, M.; 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]