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In situ anion-doped epitaxial strontium titanate films
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SYSNO ASEP 0538768 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title In situ anion-doped epitaxial strontium titanate films Author(s) Tyunina, Marina (FZU-D) ORCID
Pacherová, Oliva (FZU-D) RID, ORCID
Nepomniashchaia, Natalia (FZU-D) ORCID
Vetokhina, Volha (FZU-D) ORCID
Cichoň, Stanislav (FZU-D) RID, ORCID
Kocourek, Tomáš (FZU-D) RID, ORCID, SAI
Dejneka, Alexandr (FZU-D) RID, ORCIDNumber of authors 7 Source Title Physical Chemistry Chemical Physics. - : Royal Society of Chemistry - ISSN 1463-9076
Roč. 22, č. 42 (2020), s. 24796-24800Number of pages 5 s. Language eng - English Country GB - United Kingdom Keywords anion-doped ; in - situ ; epitaxial ; strontium titanate films Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects EF16_019/0000760 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA19-09671S GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000585861500060 EID SCOPUS 85095799707 DOI 10.1039/d0cp03644g Annotation Misfit strains arising from a film–substrate mismatch can induce novel phases and properties in the epitaxial films of perovskite oxides. Here we employ yet another effect, namely, strain-assisted formation of oxygen vacancies. We demonstrate the misfit-promoted presence of oxygen vacancies and related substitutional incorporation of anion dopants in the epitaxial films of archetypal perovskite oxide SrTiO3. Both the oxygen vacancies and hydrogen or nitrogen dopants are introduced in situ during the pulsed-laser deposition of the films using compressive substrates. The films exhibit peculiar chemical expansion and optical properties, which are consistent with substitutional anion doping.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2021 Electronic address http://hdl.handle.net/11104/0316500
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