Element dependence of local disorder in medium-entropy alloy CrCoNi

Hanasaki, N.; Oda, M.; Niitsu, K.; Ehara, K.; Murakawa, H.; Sakai, H.; Nitani, H.; Abe, H.; Sagayama, H.; Uetsuka, H.; Karube, T.; Inui, H.

doi:https://doi.org/10.1063/5.0072766

Element dependence of local disorder in medium-entropy alloy CrCoNi

Hanasaki, N.; Oda, M.; Niitsu, K. et al.

AIP Advances, 2021, 11(12), 125216

アクセス数:3件（2025-11-25 11:34 集計）

固定URL: https://hdl.handle.net/11094/103016

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タイトル	Element dependence of local disorder in medium-entropy alloy CrCoNi
著者	NRID 1000070292761 1000070292761 ORCID 0000-0002-4579-3302 0000-0002-4579-3302 researchmap permalink 7220062 7220062 Scopus Author ID 7004928519 7004928519 著者名 Hanasaki, N.
	著者名 Oda, M.
	NRID 1000090733890 1000090733890 著者名 Niitsu, K.
	著者名 Ehara, K.
	NRID 1000040611744 1000040611744 researchmap permalink 40611744 40611744 Scopus Author ID 55341979700 55341979700 著者名 Murakawa, H.
	NRID 1000020534598 1000020534598 ORCID 0000-0001-9839-1377 0000-0001-9839-1377 researchmap permalink 7000018618 7000018618 Scopus Author ID 55725908900 55725908900 著者名 Sakai, H.
	NRID 1000020554603 1000020554603 著者名 Nitani, H.
	NRID 1000000509937 1000000509937 著者名 Abe, H.
	NRID 1000090436171 1000090436171 著者名 Sagayama, H.
	著者名 Uetsuka, H.
	著者名 Karube, T.
	NRID 1000030213135 1000030213135 著者名 Inui, H.
キーワード等	First-principle calculations
	Entropy
	Thermal fluctuations
	Crystallography
	Annealing
	Mechanical stress
	X-ray absorption spectroscopy
	Extended X-ray absorption fine structure
内容	Hanasaki N., Oda M., Niitsu K., et al. Element dependence of local disorder in medium-entropy alloy CrCoNi. AIP Advances 11, 125216 (2021); https://doi.org/10.1063/5.0072766.
抄録	The medium-entropy alloy CrCoNi is known to have exceptional mechanical properties. To clarify its local structure, we performed extended x-ray absorption fine structure measurement of CrCoNi. The structural disorder is larger in Cr sites than in other constituent elements, which is consistent with the larger atomic displacement of the Cr atoms predicted by previous first-principles calculations. The Cr atom has a solute-type characteristic that induces local disorder. The differences in local disorder among the constituent elements decrease as the annealing time increases in the temperature range in which a short-range order develops.
出版者	American Institute of Physics Inc.
収録物名	AIP Advances
巻(号)	11(12)
ページ	125216
刊行年月	2021-12-15
言語	英語
ハンドルURL	https://hdl.handle.net/11094/103016
eISSN	21583226
関連情報 (isSupplementedBy)	HDL https://hdl.handle.net/11094/103017
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1063/5.0072766
アクセス権	open access
権利情報	Copyright 2021 Authors. This article is distributed under a Creative Commons Attribution (CC BY) License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	AIP Advances. 2021, 11(12), p. 125216
DC.title	Element dependence of local disorder in medium-entropy alloy CrCoNi
DC.creator	Hanasaki, N.
	Oda, M.
	Niitsu, K.
	Ehara, K.
	Murakawa, H.
	Sakai, H.
	Nitani, H.
	Abe, H.
	Sagayama, H.
	Uetsuka, H.
	Karube, T.
	Inui, H.
DC.publisher	American Institute of Physics Inc.
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2021-12-15
DC.identifier	https://doi.org/10.1063/5.0072766
DC.identifier' scheme='DCTERMS.URI	https://hdl.handle.net/11094/103017
DC.subject	First-principle calculations
	Entropy
	Thermal fluctuations
	Crystallography
	Annealing
	Mechanical stress
	X-ray absorption spectroscopy
	Extended X-ray absorption fine structure
DC.description	Hanasaki N., Oda M., Niitsu K., et al. Element dependence of local disorder in medium-entropy alloy CrCoNi. AIP Advances 11, 125216 (2021); https://doi.org/10.1063/5.0072766.
DCTERMS.abstract	The medium-entropy alloy CrCoNi is known to have exceptional mechanical properties. To clarify its local structure, we performed extended x-ray absorption fine structure measurement of CrCoNi. The structural disorder is larger in Cr sites than in other constituent elements, which is consistent with the larger atomic displacement of the Cr atoms predicted by previous first-principles calculations. The Cr atom has a solute-type characteristic that induces local disorder. The differences in local disorder among the constituent elements decrease as the annealing time increases in the temperature range in which a short-range order develops.
DC.rights	Copyright 2021 Authors. This article is distributed under a Creative Commons Attribution (CC BY) License.
DC.format	103016
citation_title	Element dependence of local disorder in medium-entropy alloy CrCoNi
citation_author	Hanasaki, N.
	Oda, M.
	Niitsu, K.
	Ehara, K.
	Murakawa, H.
	Sakai, H.
	Nitani, H.
	Abe, H.
	Sagayama, H.
	Uetsuka, H.
	Karube, T.
	Inui, H.
citation_publisher	American Institute of Physics Inc.
citation_language	英語
citation_date	2021-12-15
citation_journal_title	AIP Advances
citation_volume	11
citation_issue	12
citation_firstpage	125216
citation_doi	https://doi.org/10.1063/5.0072766
citation_public_url	https://hdl.handle.net/11094/103016

Element dependence of local disorder in medium-entropy alloy CrCoNi

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