Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy

Sato, Kazuhisa; Konno, Toyohiko J.; Hirotsu, Yoshihiko

doi:https://doi.org/10.1063/1.3074505

Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy

Sato, Kazuhisa; Konno, Toyohiko J.; Hirotsu, Yoshihiko

Journal of Applied Physics, 2009, 105(3), 034308

アクセス数:327件（2025-09-30 06:42 集計）

固定URL: https://hdl.handle.net/11094/89400

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タイトル	Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission 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
	NRID 1000090260447 1000090260447 著者名 Konno, Toyohiko J.
	NRID 1000070016525 1000070016525 著者名 Hirotsu, Yoshihiko
内容	Kazuhisa Sato, Toyohiko J. Konno, and Yoshihiko Hirotsu, "Atomic structure imaging of L1₀-type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy", Journal of Applied Physics 105, 034308 (2009) https://doi.org/10.1063/1.3074505.
抄録	The atomic structure of FePd nanoparticles has been studied by spherical aberration (Cs) corrected high-resolution transmission electron microscopy. The periodic arrangement of atoms arising from chemical order is clearly seen as bright contrast due to the small negative value of corrected Cs. The amount of optimal defocus (Scherzer defocus) is markedly reduced by the small Cs value. The interface between crystalline particles and the amorphous matrix can also be observed, free of imaging artifacts, at a small defocus value. The reconstructed phase image directly shows the projected potential distribution within the specimen and reveals the elemental differences due to chemical order. The clear-cut long-range order is lost when particle size is smaller than about 5 nm, at which locally ordered mixed-phase particles begin to dominate. © 2009 American Institute of Physics.
出版者	American Institute of Physics
収録物名	Journal of Applied Physics
巻(号)	105(3)
ページ	034308
刊行年月	2009-02-01
言語	英語
ハンドルURL	https://hdl.handle.net/11094/89400
PISSN	00218979
NCID	AA00693547
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1063/1.3074505
アクセス権	open access
権利情報	This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Kazuhisa Sato, Toyohiko J. Konno, and Yoshihiko Hirotsu, "Atomic structure imaging of L1₀-type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy", Journal of Applied Physics 105, 034308 (2009) and may be found at https://doi.org/10.1063/1.3074505.
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	Journal of Applied Physics. 2009, 105(3), p. 034308
DC.title	Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy
DC.creator	Sato, Kazuhisa
	Konno, Toyohiko J.
	Hirotsu, Yoshihiko
DC.publisher	American Institute of Physics
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2009-02-01
DC.identifier	https://doi.org/10.1063/1.3074505
DC.description	Kazuhisa Sato, Toyohiko J. Konno, and Yoshihiko Hirotsu, "Atomic structure imaging of L1₀-type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy", Journal of Applied Physics 105, 034308 (2009) https://doi.org/10.1063/1.3074505.
DCTERMS.abstract	The atomic structure of FePd nanoparticles has been studied by spherical aberration (Cs) corrected high-resolution transmission electron microscopy. The periodic arrangement of atoms arising from chemical order is clearly seen as bright contrast due to the small negative value of corrected Cs. The amount of optimal defocus (Scherzer defocus) is markedly reduced by the small Cs value. The interface between crystalline particles and the amorphous matrix can also be observed, free of imaging artifacts, at a small defocus value. The reconstructed phase image directly shows the projected potential distribution within the specimen and reveals the elemental differences due to chemical order. The clear-cut long-range order is lost when particle size is smaller than about 5 nm, at which locally ordered mixed-phase particles begin to dominate. © 2009 American Institute of Physics.
DC.rights	This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Kazuhisa Sato, Toyohiko J. Konno, and Yoshihiko Hirotsu, "Atomic structure imaging of L1₀-type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy", Journal of Applied Physics 105, 034308 (2009) and may be found at https://doi.org/10.1063/1.3074505.
DC.format	89400
citation_title	Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy
citation_author	Sato, Kazuhisa
	Konno, Toyohiko J.
	Hirotsu, Yoshihiko
citation_publisher	American Institute of Physics
citation_language	英語
citation_date	2009-02-01
citation_journal_title	Journal of Applied Physics
citation_volume	105
citation_issue	3
citation_firstpage	034308
citation_doi	https://doi.org/10.1063/1.3074505
citation_public_url	https://hdl.handle.net/11094/89400

Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy

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