Three-dimensional imaging of a long-period stacking ordered phase in Mg₉₇Zn₁Gd₂ using high-voltage electron microscopy

Sato, Kazuhisa; Tashiro, Shunya; Yamaguchi, Yohei; Kiguchi, Takanori; Konno, J. Toyohiko; Yamamoto, Tomokazu; Yasuda, Kazuhiro; Matsumura, Syo

doi:https://doi.org/10.2320/matertrans.M2016021

Three-dimensional imaging of a long-period stacking ordered phase in Mg₉₇Zn₁Gd₂ using high-voltage electron microscopy

Sato, Kazuhisa; Tashiro, Shunya; Yamaguchi, Yohei et al.

Materials Transactions, 2016, 57(6), 918-921

アクセス数:143件（2025-03-18 23:22 集計）

固定URL: https://hdl.handle.net/11094/89449

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タイトル	Three-dimensional imaging of a long-period stacking ordered phase in Mg₉₇Zn₁Gd₂ using high-voltage electron microscopy
著者	NRID 1000070314424 1000070314424 ORCID 0000-0001-9078-2541 0000-0001-9078-2541 researchmap permalink read0158304 read0158304 Scopus Author ID 55552977400 55552977400 著者名 Sato, Kazuhisa
	著者名 Tashiro, Shunya
	著者名 Yamaguchi, Yohei
	NRID 1000070311660 1000070311660 著者名 Kiguchi, Takanori
	NRID 1000090260447 1000090260447 著者名 Konno, J. Toyohiko
	著者名 Yamamoto, Tomokazu
	NRID 1000080253491 1000080253491 著者名 Yasuda, Kazuhiro
	NRID 1000060150520 1000060150520 著者名 Matsumura, Syo
キーワード等	Electron tomography
	High-voltage electron microscopy (HVEM)
	Lateral growth
	Long-period stacking order (LPSO)
	Magnesium-zinc-gadolinium
	Scanning transmission electron microscopy (STEM)
抄録	Spatial configurations and lateral morphology of the 14H long-period stacking ordered (LPSO) phase have been studied by single tilt-axis electron tomography using high-voltage scanning transmission electron microscopy (STEM) operated at 1 MV. A "Quonset hut-like" lateral shape of the LPSO was found in a tomogram of a specimen as thick as 1.7 μ m. The reconstructed volume reveals spatial distribution of residual particulate precipitates of (Mg, Zn)3Gd phase 20-30 nm in diameters. The precipitates act as a source of solute elements for the formation and growth processes of 14H LPSO. 1 MV-STEM realizes enough resolution for imaging the morphology of LPSO as well as high electron transmittance (∼4.1 μ m) without any obvious electron irradiation damages on microstructures.
出版者	The Japan Institute of Metals and Materials
収録物名	Materials Transactions
巻(号)	57(6)
ページ	918-921
刊行年月	2016-06-01
言語	英語
ハンドルURL	https://hdl.handle.net/11094/89449
PISSN	13459678
eISSN	13475320
NCID	AA1151294X
NCID	AA12041816
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.2320/matertrans.M2016021
アクセス権	open access
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	Materials Transactions. 2016, 57(6), p. 918-921
DC.title	Three-dimensional imaging of a long-period stacking ordered phase in Mg₉₇Zn₁Gd₂ using high-voltage electron microscopy
DC.creator	Sato, Kazuhisa
	Tashiro, Shunya
	Yamaguchi, Yohei
	Kiguchi, Takanori
	Konno, J. Toyohiko
	Yamamoto, Tomokazu
	Yasuda, Kazuhiro
	Matsumura, Syo
DC.publisher	The Japan Institute of Metals and Materials
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2016-06-01
DC.identifier	https://doi.org/10.2320/matertrans.M2016021
DC.subject	Electron tomography
	High-voltage electron microscopy (HVEM)
	Lateral growth
	Long-period stacking order (LPSO)
	Magnesium-zinc-gadolinium
	Scanning transmission electron microscopy (STEM)
DCTERMS.abstract	Spatial configurations and lateral morphology of the 14H long-period stacking ordered (LPSO) phase have been studied by single tilt-axis electron tomography using high-voltage scanning transmission electron microscopy (STEM) operated at 1 MV. A "Quonset hut-like" lateral shape of the LPSO was found in a tomogram of a specimen as thick as 1.7 μ m. The reconstructed volume reveals spatial distribution of residual particulate precipitates of (Mg, Zn)3Gd phase 20-30 nm in diameters. The precipitates act as a source of solute elements for the formation and growth processes of 14H LPSO. 1 MV-STEM realizes enough resolution for imaging the morphology of LPSO as well as high electron transmittance (∼4.1 μ m) without any obvious electron irradiation damages on microstructures.
DC.format	89449
citation_title	Three-dimensional imaging of a long-period stacking ordered phase in Mg₉₇Zn₁Gd₂ using high-voltage electron microscopy
citation_author	Sato, Kazuhisa
	Tashiro, Shunya
	Yamaguchi, Yohei
	Kiguchi, Takanori
	Konno, J. Toyohiko
	Yamamoto, Tomokazu
	Yasuda, Kazuhiro
	Matsumura, Syo
citation_publisher	The Japan Institute of Metals and Materials
citation_language	英語
citation_date	2016-06-01
citation_journal_title	Materials Transactions
citation_volume	57
citation_issue	6
citation_firstpage	918
citation_lastpage	921
citation_doi	https://doi.org/10.2320/matertrans.M2016021
citation_public_url	https://hdl.handle.net/11094/89449

Three-dimensional imaging of a long-period stacking ordered phase in Mg₉₇Zn₁Gd₂ using high-voltage electron microscopy

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