Significant effects of epitaxial strain on the nonlinear transport properties in Ca2RuO4 thin films with the current-driven transition

Tsubaki, Keiji; Arita, Masashi; Katase, Takayoshi; Kamiya, Toshio; Tsurumaki-Fukuchi, Atsushi; Takahashi, Yasuo

Significant effects of epitaxial strain on the nonlinear transport properties in Ca2RuO4 thin films with the current-driven transition

Tsubaki, Keiji; Arita, Masashi; Katase, Takayoshi et al.

Japanese Journal of Applied Physics, 2023, 63(1), 01SP03

Permalink : https://hdl.handle.net/2115/93770

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アクセス権	open access
URI	https://hdl.handle.net/2115/93770
タイトル	Significant effects of epitaxial strain on the nonlinear transport properties in Ca2RuO4 thin films with the current-driven transition
著者	Tsubaki, Keiji ; Arita, Masashi ; Katase, Takayoshi ; Kamiya, Toshio ; Tsurumaki-Fukuchi, Atsushi ; Takahashi, Yasuo
著者名 Tsubaki, Keiji
e-Rad_Researcher 20222755 著者名 Arita, Masashi
著者名 Katase, Takayoshi
著者名 Kamiya, Toshio
著者名 Tsurumaki-Fukuchi, Atsushi
e-Rad_Researcher 90374610 著者名 Takahashi, Yasuo
言語	英語
キーワード	metal-insulator transition
	ruthenium oxide
	nonlinear transport properties
	epitaxial strain
発行日	2023-12-15
出版者	IOP Publishing
収録物名	Japanese Journal of Applied Physics
巻(号)	63(1)
ページ	01SP03
抄録	Control of the nonlinear transport properties in strongly correlated materials with metal-insulator transitions has become an important task in the development of next-generation computing elements. Here, we demonstrate that the nonlinear transport properties in the Mott insulator Ca2RuO4, which are caused by the current-driven transition with a nonthermal-type mechanism, can be significantly affected by epitaxial strain in thin films. Ca2RuO4 epitaxial thin films were grown on various single-crystal substrates by the solid-phase epitaxy method under nonvacuum conditions, and the effects of epitaxial strain on the transport properties were investigated. While nonlinear transport properties with negative differential resistance behavior were observed in [001]-oriented Ca2RuO4/LaAlO3 (001) thin films, the current transport nonlinearity was critically diminished in the current-voltage characteristics of Ca2RuO4/NdCaAlO4 (100) thin films with the [110] orientation. Through structural characterization of the thin films, a possible correlation between the strain states and nonlinear transport properties was discussed.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	This is the Accepted Manuscript version of an article accepted for publication in Japanese Journal of Applied Physics(JJAP). IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://doi.org/10.35848/1347-4065/acf2a3.
権利情報	© 2023 The Japan Society of Applied Physics
PISSN	0021-4922
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.35848/1347-4065/acf2a3