Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/α-Cr₂O₃/α-V₂O₃ epitaxial film

Shiratsuchi, Yu; Yoshida, Saori; Onoue, Satoshi; Mitsumata, Chiharu; Inami, Nobuhito; Ueno, Tetsuro; Ono, Kanta; Nakatani, Ryoichi

doi:https://doi.org/10.2320/matertrans.MT-M2019102

Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/α-Cr₂O₃/α-V₂O₃ epitaxial film

Shiratsuchi, Yu; Yoshida, Saori; Onoue, Satoshi et al.

Materials Transactions, 2019, 60(9), 2028-2032

Number of Access:650（2025-11-01 15:55 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/89966

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Title	Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/α-Cr₂O₃/α-V₂O₃ epitaxial film
Creator	NRID 1000070379121 1000070379121 ORCID 0000-0002-8938-4869 0000-0002-8938-4869 researchmap permalink read0090304 read0090304 Scopus Author ID 6602197167 6602197167 CreatorName Shiratsuchi, Yu
	CreatorName Yoshida, Saori
	CreatorName Onoue, Satoshi
	NRID 1000070600542 1000070600542 CreatorName Mitsumata, Chiharu
	CreatorName Inami, Nobuhito
	NRID 1000020609747 1000020609747 CreatorName Ueno, Tetsuro
	NRID 1000070282572 1000070282572 ORCID 0000-0002-3285-9093 0000-0002-3285-9093 researchmap permalink onokanta onokanta Scopus Author ID 7403890224 7403890224 CreatorName Ono, Kanta
	NRID 1000060314374 1000060314374 researchmap permalink read0068619 read0068619 Scopus Author ID 7005234924 7005234924 CreatorName Nakatani, Ryoichi
Subject	Cr₂O₃
	Exchange anisotropy
	Spin frustration
	Twin
Description	Y.Shiratsuchi, S.Yoshida, S.Onoue, et al. Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/a-Cr₂O₃/a-V₂O₃ epitaxial film. Materials Transactions 60, 2028 (2019); https://doi.org/10.2320/matertrans.MT-M2019102.
Abstract	Perpendicular exchange anisotropy at the Co/α-Cr₂O₃ interface was investigated using the two types of films: the film with the single crystalline α-Cr₂O₃ and that with the twinned a-Cr₂O₃. Exchange anisotropy energy density JK of the film with the single crystalline α-Cr₂O₃ was ~0.09 erg/cm² whereas JK of the film with the twinned α-Cr₂O₃ was ~0.43 erg/cm², more than 4-times enhancement. We discussed the mechanism of the enhancement of JK based on the exchange coupling at the twin boundary and that the spin frustration at the twin boundary can be the origin of the enhancement of JK.
Publisher	The Japan Institute of Metals and Materials
Source Title	Materials Transactions
Volume (Issue)	60(9)
Page	2028-2032
Date of Issued	2019-09-01
Language	English
Handle URL	https://hdl.handle.net/11094/89966
PISSN	13459678
NCID	AA1151294X
Relation.isIdenticalTo	DOI (Publisher Version) https://doi.org/10.2320/matertrans.MT-M2019102
Access Rights	open access
oaire:version	Version of Record
Category	学術雑誌論文 Journal Article

Resource Type	journal article
Local Type	Journal Article
DCMI Type	Text
DCTERMS.bibliographicCitation	Materials Transactions. 2019, 60(9), p. 2028-2032
DC.title	Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/α-Cr₂O₃/α-V₂O₃ epitaxial film
DC.creator	Shiratsuchi, Yu
	Yoshida, Saori
	Onoue, Satoshi
	Mitsumata, Chiharu
	Inami, Nobuhito
	Ueno, Tetsuro
	Ono, Kanta
	Nakatani, Ryoichi
DC.publisher	The Japan Institute of Metals and Materials
DC.language' scheme='DCTERMS.RFC1766	English
DC.type' scheme='DCTERMS.DCMIType	Text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2019-09-01
DC.identifier	https://doi.org/10.2320/matertrans.MT-M2019102
DC.subject	Cr₂O₃
	Exchange anisotropy
	Spin frustration
	Twin
DC.description	Y.Shiratsuchi, S.Yoshida, S.Onoue, et al. Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/a-Cr₂O₃/a-V₂O₃ epitaxial film. Materials Transactions 60, 2028 (2019); https://doi.org/10.2320/matertrans.MT-M2019102.
DCTERMS.abstract	Perpendicular exchange anisotropy at the Co/α-Cr₂O₃ interface was investigated using the two types of films: the film with the single crystalline α-Cr₂O₃ and that with the twinned a-Cr₂O₃. Exchange anisotropy energy density JK of the film with the single crystalline α-Cr₂O₃ was ~0.09 erg/cm² whereas JK of the film with the twinned α-Cr₂O₃ was ~0.43 erg/cm², more than 4-times enhancement. We discussed the mechanism of the enhancement of JK based on the exchange coupling at the twin boundary and that the spin frustration at the twin boundary can be the origin of the enhancement of JK.
DC.format	89966
citation_title	Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/α-Cr₂O₃/α-V₂O₃ epitaxial film
citation_author	Shiratsuchi, Yu
	Yoshida, Saori
	Onoue, Satoshi
	Mitsumata, Chiharu
	Inami, Nobuhito
	Ueno, Tetsuro
	Ono, Kanta
	Nakatani, Ryoichi
citation_publisher	The Japan Institute of Metals and Materials
citation_language	English
citation_date	2019-09-01
citation_journal_title	Materials Transactions
citation_volume	60
citation_issue	9
citation_firstpage	2028
citation_lastpage	2032
citation_doi	https://doi.org/10.2320/matertrans.MT-M2019102
citation_public_url	https://hdl.handle.net/11094/89966

Enhancement of perpendicular exchange bias by introducing twin boundary in Pt/Co/α-Cr₂O₃/α-V₂O₃ epitaxial film

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