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Structure of epitaxial SrIrO.sub.3./sub. perovskite studied by interference between X-ray waves diffracted by the substrate and the thin film
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SYSNO ASEP 0487516 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Structure of epitaxial SrIrO3 perovskite studied by interference between X-ray waves diffracted by the substrate and the thin film Author(s) Horák, L. (CZ)
Kriegner, D. (CZ)
Liu, J. (US)
Frontera, C. (ES)
Martí, Xavier (FZU-D) RID, ORCID
Holý, V. (CZ)Number of authors 6 Source Title Journal of Applied Crystallography. - : Wiley - ISSN 0021-8898
Roč. 50, Apr (2017), s. 385-398Number of pages 14 s. Language eng - English Country GB - United Kingdom Keywords perovskites ; epitaxial layers ; X-ray diffraction ; interference Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GB14-37427G GA ČR - Czech Science Foundation (CSF) LG13058 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support FZU-D - RVO:68378271 UT WOS 000399010000007 EID SCOPUS 85017110418 DOI 10.1107/S1600576717000541 Annotation A high-pressure metastable orthorhombic phase of SrIrO3 perovskite has been epitaxially stabilized on several substrates (DyScO3, GdScO3, NdScO3 and SrTiO3) in the form of thin monocrystalline layers with (110) surface orientation. The unit-cell parameters of the pseudomorphic thin SrIrO3 layers depend on the biaxial strain imposed by the various substrates due to the different lattice mismatches of the particular substrate and the bulk orthorhombic SrIrO3 structure. Using X-ray diffractometry, it is shown that both compressive and tensile strain increase the lattice parameters a and b, while the angle gamma scales with the applied strain, being smaller or larger than 90 degrees for compressive or tensile strain, respectively, resulting in a small monoclinic distortion of the layer unit cell. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
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