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]