Direct imaging of structural heterogeneity of the melt-spun Fe₈₅.₂Si₂B₈P₄Cu₀.₈ alloy

Sato, Kazuhisa; Takenaka, Kana; Makino, Akihiro et al.

AIP Advances, 2015, 5(6), 067166

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Identifier to cite or link to this item: https://hdl.handle.net/11094/89407

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Title
Direct imaging of structural heterogeneity of the melt-spun Fe₈₅.₂Si₂B₈P₄Cu₀.₈ alloy
Creator
NRID
1000070314424 1000070314424
ORCID
0000-0001-9078-2541 0000-0001-9078-2541
researchmap permalink
read0158304 read0158304
Scopus Author ID
55552977400 55552977400
CreatorName
Sato, Kazuhisa
NRID
1000080650580 1000080650580
CreatorName
Takenaka, Kana
NRID
1000030315642 1000030315642
CreatorName
Makino, Akihiro
NRID
1000070016525 1000070016525
CreatorName
Hirotsu, Yoshihiko
Description
Kazuhisa Sato, Kana Takenaka, Akihiro Makino, and Yoshihiko Hirotsu, "Direct imaging of structural heterogeneity of the melt-spun Fe₈₅.₂Si₂B₈P₄Cu₀.₈ alloy", AIP Advances 5, 067166 (2015) https://doi.org/10.1063/1.4923329.
Abstract
A structural heterogeneity of the melt-spun Fe₈₅.₂Si₂B₈P₄Cu₀.₈ alloy has been studied by spherical aberration (Cs) corrected high-resolution transmission electron microscopy. Hollow-cone illumination imaging revealed that the density of coherent scattering regions in the as-quenched Fe₈₅.₂Si₂B₈P₄Cu₀.₈ alloy is much higher than that in the Fe76Si9B10P5 bulk metallic glass. According to the Cs-corrected TEM, crystalline atomic clusters, typically of ∼1 nm in diameter, are densely distributed in an amorphous matrix of Fe₈₅.₂Si₂B₈P₄Cu₀.₈ alloy. Observation of four-fold and six-fold atomic arrangements of these clusters implies existence of Fe clusters with the body centered cubic structure. These Fe clusters must be responsible for the formation of ultrahigh-density α-Fe nanocrystals produced by post-annealing.
Publisher
American Institute of Physics
Source Title
AIP Advances
Volume (Issue)
5(6)
Page
067166
Date of Issued
2015-06
Language
English
Handle URL
https://hdl.handle.net/11094/89407
eISSN
21583226
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.1063/1.4923329
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open access
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This article is licensed under a Creative Commons Attribution 3.0 Unported License.
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Category
学術雑誌論文 Journal Article