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journal article·2021-12Open access

Migration Kinetics of Surface Ions in Oxygen‐Deficient Perovskite During Topotactic Transitions (Small 51/2021)

Lei Cao, Oleg Petracic, Xian‐Kui Wei, Hengbo Zhang, Tomáš Duchoň, Felix Gunkel, Alexandros Koutsioubas, Kirill Zhernenkov, Konstantin Z. Rushchanskii, Heinrich Hartmann, Marek Wilhelm, Zichao Li, Yufang Xie, Suqin He, Moritz L. Weber, Kateřina Veltruská, Annika Stellhorn, Joachim Mayer, Shengqiang Zhou, Thomas Brückel

Small· Volume 17· Issue 51
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Source abstract

Abstract

Topotactic Transitions In article number 2104356, Lei Cao, Oleg Petracic, and co-workers report the first observation of a novel surface phase in La0.7Sr0.3MnO3-δ epitaxial thin films during the topotactic transition from perovskite to brownmillerite. Given the anisotropic vacancy channels found in the surface phase, the studies not only provide a deeper understanding of oxygen-transport behavior in oxides, but also offer optimal guidance to engineer coordination polyhedra towards desired properties.
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Research context

Electronic materials

OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Luminescence Properties of Advanced Materials

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Affiliations

Institute of Ion Beam Physics and Materials Research Helmholtz‐Zentrum Dresden‐Rossendorf 01328 Dresden Germany

School of Advanced Materials Peking University Shenzhen Graduate School Shenzhen 518055 China

Jülich Centre for Neutron Science (JCNS‐2) and Peter Grünberg Institut (PGI‐4) JARA‐FIT Forschungszentrum Jülich GmbH 52425 Jülich Germany

Ernst Ruska‐Centre for Microscopy and Spectroscopy with Electrons Forschungszentrum Jülich GmbH 52425 Jülich Germany

Peter Grünberg Institut (PGI‐6) JARA‐FIT Forschungszentrum Jülich GmbH 52425 Jülich Germany

Peter Grünberg Institut (PGI‐7) JARA‐FIT Forschungszentrum Jülich GmbH 52425 Jülich Germany

Jülich Centre for Neutron Science (JCNS) at Heinz Maier‐Leibnitz Zentrum (MLZ) Forschungszentrum Jülich GmbH 85748 Garching Germany

Peter Grünberg Institute (PGI‐1) and Institute for Advanced Simulation (IAS‐1) Forschungszentrum Jülich GmbH 52425 Jülich Germany

Central Institute for Engineering Electronics and Analytics (ZEA‐3) 52425 Jülich Germany

Department of Surface and Plasma Science Faculty of Mathematics and Physics Charles University Prague 18000 Czech Republic

References

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