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

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Identifier to cite or link to this item: https://hdl.handle.net/11094/89400

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Title
Atomic structure imaging of L1₀ -type FePd nanoparticles by spherical aberration corrected high-resolution transmission electron microscopy
Creator
NRID
1000070314424 1000070314424
ORCID
0000-0001-9078-2541 0000-0001-9078-2541
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Scopus Author ID
55552977400 55552977400
CreatorName
Sato, Kazuhisa
NRID
1000090260447 1000090260447
CreatorName
Konno, Toyohiko J.
NRID
1000070016525 1000070016525
CreatorName
Hirotsu, Yoshihiko
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.
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.
Publisher
American Institute of Physics
Source Title
Journal of Applied Physics
Volume (Issue)
105(3)
Page
034308
Date of Issued
2009-02-01
Language
English
Handle URL
https://hdl.handle.net/11094/89400
PISSN
00218979
NCID
AA00693547
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1063/1.3074505
Access Rights
open access
CopyRight
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.
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Category
学術雑誌論文 Journal Article