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강상관계 물질 연구단
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Negligible Substrate-Induced Strain Effects on Magnetic Properties of SrRuO3 Thin Films

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Title
Negligible Substrate-Induced Strain Effects on Magnetic Properties of SrRuO3 Thin Films
Author(s)
Lee, SR; Anwar, MS; Shin, YJ; Lee, MC; Sugimoto, Y; Kunieda, M; Yonezawa, S; Maeno, Y; Tae Won Noh
Publication Date
2020-08
Journal
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, v.257, no.8, pp.2000047
Publisher
WILEY-V C H VERLAG GMBH
Abstract
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim SrRuO3 is known to exhibit strong magnetocrystalline effect, which enables us to control its magnetic properties using lattice engineering. The magnetocrystalline effect of SrRuO3 is systematically investigated under both compressive and tensile strain by depositing SrRuO3 thin films on various oxide substrates with different in-plane lattice mismatch. All SrRuO3 films have high crystallinity with flat interface and surface. It is found that out-of-plane lattice constant is decreased with increasing strain. Moreover, unit cell volume decreases with strain due to structural distortion attributable to RuO6 octahedral distortion as theoretically expected. However, magnetization does not match to any of the theoretical models only considering structural changes; at current stage, internal interactions rather than structural changes seem critical in determining the magnetization of the SrRuO3 films. This study can play a crucial role in understanding internal correlations of magnetic properties in ruthenate films and can trigger research on magnetic functionality
URI
https://pr.ibs.re.kr/handle/8788114/7721
DOI
10.1002/pssb.202000047
ISSN
0370-1972
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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