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Anisotropic chemical expansion due to oxygen vacancies in perovskite films
- 1.0552224 - FZÚ 2022 RIV GB eng J - Článek v odborném periodiku
Tyunina, Marina - Pacherová, Oliva - Kocourek, Tomáš - Dejneka, Alexandr
Anisotropic chemical expansion due to oxygen vacancies in perovskite films.
Scientific Reports. Roč. 11, č. 1 (2021), č. článku 15247. ISSN 2045-2322. E-ISSN 2045-2322
Grant CEP: GA MŠMT(CZ) EF16_019/0000760; GA ČR(CZ) GA19-09671S
Grant ostatní: OP VVV - SOLID21(XE) CZ.02.1.01/0.0/0.0/16_019/0000760
Institucionální podpora: RVO:68378271
Klíčová slova: surfaces * interfaces and thin films * electronic properties and materials
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 4.997, rok: 2021
Způsob publikování: Open access
In scientifically intriguing and technologically important multifunctional ABO3 perovskite oxides, oxygen vacancies are most common defects. They cause lattice expansion and can alter the key functional properties. Here, it is demonstrated that contrary to weak isotropic expansion in bulk samples, oxygen vacancies produce strong anisotropic strain in epitaxial thin films. This anisotropic chemical strain is explained by preferential orientation of elastic dipoles of the vacancie.
Trvalý link: http://hdl.handle.net/11104/0327363
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