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＜departmental bulletin paper＞
Transmission Electron Microscopy Observation of MgB2 Superconducting Materials with Inhomogeneous Microstructure: Influences of Specimen Preparation Methods

Creator
Author PID
K001490
Creator Name
Hata, Satoshi
波多, 聰
ハタ, サトシ
Affiliation
Affiliation Name
Department of Molecular and Material Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
九州大学大学院総合理工学府物質理工学専攻
Creator Name
Harini, Sosiati
ハリニ, ソシアティ
Affiliation
Affiliation Name
The Research Laboratory for High Voltade Electron Microscopy
Creator Name
Yoshidome, Takeshi
吉留, 健
ヨシドメ, タケシ
Affiliation
Affiliation Name
Department of Applied Science for Electronics and Materials, Kyushu University
九州大学大学院総合理工学府
Author PID
K001165
Creator Name
Kuwano, Noriyuki
桑野, 範之
クワノ, ノリユキ
Affiliation
Affiliation Name
Art, Science and Technology Center for Cooperative Research, Kyushu University
九州大学産学連携センター
Creator Name
Matsumoto, Akiyoshi
松本, 明善
マツモト, アキヨシ
Affiliation
Affiliation Name
National Institute for Materials Science
物質・材料研究機構
Creator Name
Kitaguchi, Hitoshi
北口, 仁
キタグチ, ヒトシ
Affiliation
Affiliation Name
National Institute for Materials Science
物質・材料研究機構
Creator Name
Kumakura, Hiroaki
熊倉, 浩明
クマクラ, ヒロアキ
Affiliation
Affiliation Name
National Institute for Materials Science
物質・材料研究機構
Language
English
Publisher
九州大学大学院総合理工学府
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
Date
2008-06
Source Title
Engineering sciences reports, Kyushu University
Vol
30
Issue
1
First Page
20
Last Page
24
Publication Type
Version of Record
Access Rights
open access
JaLC DOI
https://doi.org/10.15017/14600
Related DOI
九州大学大学院総合理工学報告 || 30(1) || p20-24
Engineering sciences reports, Kyushu University || 30(1) || p20-24
http://www.tj.kyushu-u.ac.jp/
http://www.tj.kyushu-u.ac.jp/info/online/
Related URI
九州大学大学院総合理工学報告 || 30(1) || p20-24
Engineering sciences reports, Kyushu University || 30(1) || p20-24
http://www.tj.kyushu-u.ac.jp/
http://www.tj.kyushu-u.ac.jp/info/online/
Relation
九州大学大学院総合理工学報告 || 30(1) || p20-24
Engineering sciences reports, Kyushu University || 30(1) || p20-24
http://www.tj.kyushu-u.ac.jp/
http://www.tj.kyushu-u.ac.jp/info/online/
Abstract Transmission electron microscopy (TEM) observation of microstructure in MgB2 superconducting materials was carried out using different TEM specimen preparation methods. When a focused ion beam microsa...mpling (FIB-MS) technique was applied to prepare thin foil specimens, TEM observation revealed inhomogeneous microstructure in MgB2 tapes fabricated by an in situ powder-in-tube (PIT) process: the microstructure composed of a densely crystallized MgB2 area, a partially crystallized area containing amorphous phases, micro-meter sized holes, etc. It was also revealed that doping with SiC in the PIT process makes distribution of the crystallized and partially crystallized areas uniform. On the other hand, when a conventional TEM specimen preparation, pulverizing the specimen into powders and thinning the powders with an Ar ion mill was performed, the microstructural characters of the MgB2 tapes described above were hardly recognized.show more

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Details

Record ID
14600
Peer-Reviewed
Refereed
Subject Terms
MgB2
Superconducting material
focused ion beam(FIB)
Microsampling
Transmission electron microscopu(TEM)
ISSN
1346-7883
NCID
AA1147319X
Created Date 2009.05.16
Modified Date 2020.12.16

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