Unveiling the high-temperature degradation mechanism of solid oxide electrolysis cells through direct imaging of nanoscale interfacial phenomena

Haneul Choi, Jisu Shin, Changho Yeon, Sun-Young Park, Shin-Tae Bae, Ji Wan Kim, Jong-Ho Lee, Jin-Woo Park, Chan-Woo Lee, Kyung Joong Yoon and Hye Jung Chang

Energy Environ. Sci., 2024, 17, 5410
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The thermodynamics and kinetics of iodine vacancies in the hybrid perovskite methylammonium lead iodide

Denis Barboni and Roger A. De Souza

Energy Environ. Sci., 2018, 11, 3266
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Perovskite crystal symmetry and oxygen-ion transport: a molecular-dynamics study of perovskite

Elisabeth Robens, Robert Rauschen, Johannes Kaub, Jana P. Parras, Dennis Kemp, Colin L. Freeman and Roger A. De Souza

J. Mater. Chem. A, 2022, 10, 2388
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Ultra-dense dislocations stabilized in high entropy oxide ceramics

Yi Han, Xiangyang Liu, Qiqi Zhang, Muzhang Huang, Yi Li, Wei Pan, Peng-an Zong, Lieyang Li, Zesheng Yang, Yingjie Feng, Peng Zhang and Chunlei Wan

Nat Commun, 2022, 13
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A Critical Evaluation of Concentration Proxies in SIMS Diffusion Studies

Nicolas Molina, Andrei Dolocan, John F. Curry, Gregory J. Rodin and Filippo Mangolini

Anal. Chem., 2026, 98, 5134
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Mechanism of photo-ionic stoichiometry changes in SrTiO3

Alexander Viernstein, Markus Kubicek, Maximilian Morgenbesser, Tobias M. Huber, Emil Ellmeyer, Matthäus Siebenhofer, Carlos A.F. Vaz and Jürgen Fleig

Solid State Ionics, 2022, 383, 115992
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Quantitative Determination of Native Point‐Defect Concentrations at the ppm Level in Un‐Doped BaSnO3 Thin Films

Kendra S. Belthle, Ute N. Gries, Michael P. Mueller, Dennis Kemp, Abhinav Prakash, Marc‐André Rose, Jacqueline M. Börgers, Bharat Jalan, Felix Gunkel and Roger A. De Souza

Adv Funct Materials, 2022, 32
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Conceptual Framework for Dislocation-Modified Conductivity in Oxide Ceramics Deconvoluting Mesoscopic Structure, Core, and Space Charge Exemplified for SrTiO3

Lukas Porz, Till Frömling, Atsutomo Nakamura, Ning Li, Ryohei Maruyama, Katsuyuki Matsunaga, Peng Gao, Hugh Simons, Christian Dietz, Marcus Rohnke, Jürgen Janek and Jürgen Rödel

ACS Nano, 2021, 15, 9355
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Dislocations in ceramic electrolytes for solid-state Li batteries

L. Porz, D. Knez, M. Scherer, S. Ganschow, G. Kothleitner and D. Rettenwander

Sci Rep, 2021, 11
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Ceramic materials with high dislocation density: Possible influence on ionic conductivity and fracture toughness

Kyuichi Yasui and Koichi Hamamoto

J. Mater. Res., 2026, 41, 1324
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Electrical Property Enhancement in Orientation‐Modulated Perovskite La‐Doped SrTiO3 Thermoelectric Thin Films

Yunpeng Zheng, Hetian Chen, Zhifang Zhou, Yueyang Yang, Mingchu Zou, Wenyu Zhang, Bin Wei, Jinghan Cai, Jin‐Le Lan, Di Yi, Ce‐Wen Nan and Yuan‐Hua Lin

Adv Funct Materials, 2023, 33
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Oxygen diffusion in LaInO3 films grown by molecular beam epitaxy

Simon Liedtke, Joe Kler, Caitlin Perkampus, Sonja Ambaum, Georg Hoffmann, Oliver Bierwagen and Roger A. De Souza

Applied Physics Letters, 2025, 126
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Preferential chemical oxygen diffusion along dislocation networks in SrTiO3

Christian Rodenbücher, Katarzyna Balin, Marcin Wojtyniak, Astrid Besmehn, Carsten Korte and Krzysztof Szot

J Am Ceram Soc., 2025, 108
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Electrical degradation in dielectric and piezoelectric oxides: Review of defect chemistry and characterization methods

Pedram Yousefian, Betul Akkopru-Akgun, Clive A. Randall and Susan Trolier-McKinstry

Progress in Materials Science, 2025, 153, 101473
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Faster Diffusion of Oxygen Along Dislocations in (La,Sr)MnO3+δ Is a Space‐Charge Phenomenon

Jacqueline M. Börgers, Joe Kler, Ke Ran, Elizabeth Larenz, Thomas E. Weirich, Regina Dittmann and Roger A. De Souza

Adv Funct Materials, 2021, 31
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Influence of Defects-Induced Stresses on Birefringence in SrTiO3 Single Crystals

Iwona Lazar, Krzysztof Szot and Krystian Roleder

Crystals, 2023, 13, 985
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Donor and acceptor-like self-doping by mechanically induced dislocations in bulk TiO2

Qaisar Khushi Muhammad, Lukas Porz, Atsutomo Nakamura, Katsuyuki Matsunaga, Marcus Rohnke, Jürgen Janek, Jürgen Rödel and Till Frömling

Nano Energy, 2021, 85, 105944
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Oxygen diffusion in oxide thin films grown on SrTiO3

Christof W. Schneider, Max Döbeli, Christoph Richter and Thomas Lippert

Phys. Rev. Materials, 2019, 3
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Oxygen Surface Exchange and Tracer Diffusion in Differently Oriented Thin Films of Gd-Doped CeO2

Stephan P. Waldow, Benjamin J. Statham, Hans F. Wardenga, Thomas E. Weirich, Andreas Klein and Roger A. De Souza

ACS Appl. Mater. Interfaces, 2020, 12, 36768
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Dislocation engineering: Unlocking functional potential in ceramics

Haoxuan Wang, Yifan Wang, Xu Liang, Wenshan Yu, Xufei Fang and Shengping Shen

Journal of the European Ceramic Society, 2026, 46, 117918
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Transport properties of dislocations in SrTiO3 and other perovskites

Roger A. De Souza

Current Opinion in Solid State and Materials Science, 2021, 25, 100923
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60 years of dislocations in ceramics: A conceptual framework for dislocation mechanics in ceramics

Lukas Porz

Int J Ceramic Engine & Sci, 2022, 4, 214
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Fundamentals and practical dielectric implications of stoichiometry and chemical design in a high-performance ferroelectric oxide: BaTiO3

C.A. Randall and P. Yousefian

Journal of the European Ceramic Society, 2022, 42, 1445
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Atomic‐Scale Insights into Nanoparticle Exsolution at Dislocations in Dislocation‐Engineered Catalysts

Moritz Lukas Weber, Moritz Kindelmann, Dylan Jennings, Jan Hölschke, Regina Dittmann, Joachim Mayer, Wolfgang Rheinheimer, Xufei Fang and Felix Gunkel

Advanced Materials, 2026, 38
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Dislocation-Mediated Conductivity in Oxides: Progress, Challenges, and Opportunities

Micah D. Armstrong, Kai-Wei Lan, Yiwen Guo and Nicola H. Perry

ACS Nano, 2021, 15, 9211
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High-Entropy CeNbO4+δ-Based Ceramics with Ultrahigh Comprehensive Thermosensitive Performances

Yafei Liu, Ruifeng Wu, Hao Sun, Aimin Chang, Jing Guo and Bo Zhang

ACS Appl. Mater. Interfaces, 2024, 16, 28861
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Potassium Diffusion in Mono‐ and Bi‐Crystalline SrTiO3 – Mechanisms and Activation Energies

Janek Bernzen, Carmen Fuchs, Timo Jacob, Qian Ma, Tobias Meyer, Christian Jooss and Karl‐Michael Weitzel

Adv Materials Inter, 2024, 11
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Dynamics of the spatial separation of electrons and mobile oxygen vacancies in oxide heterostructures

A. F. Zurhelle, D. V. Christensen, S. Menzel and F. Gunkel

Phys. Rev. Materials, 2020, 4
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Concentration and Diffusivity of Oxygen Interstitials in Niobia-Doped Ceria

Stephan P. Waldow, Hans Wardenga, Stefan Beschnitt, Andreas Klein and Roger A. De Souza

J. Phys. Chem. C, 2019, 123, 6340
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Oxygen Surface Exchange on Stepped (100) Surfaces of Strontium Titanate

Ute N. Gries, Zixuan Guan, Joe Kler, William C. Chueh and Roger A. De Souza

J. Phys. Chem. C, 2025, 129, 8165
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Resistance Switching Behavior in Rectangle-Nano-Pattern SrTiO3 Induced by Simple Annealing

Xiaxia Liao, Yufeng Zhang, Jiaou Wang, Junyong Kang, Jinbin Zhang, Jizheng Wang, Jincheng Zheng and Huiqiong Wang

Materials, 2019, 12, 3698
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