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Arrangements of Fe-Centered Zn12 Icosahedra in Fe-Zn Intermetallic Compounds Determined by Ultra-High Resolution Scanning Transmission Electron Microscopy

Published online by Cambridge University Press:  16 January 2015

Norihiko L. Okamoto ,
Akira Yasuhara ,
Katsushi Tanaka  and
Haruyuki Inui
Norihiko L. Okamoto
Affiliation:
Department of Materials Science and Engineering, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
Akira Yasuhara
Affiliation:
EM Application Group, JEOL Ltd., 1-2 Musashino 3-chome, Akishima, Tokyo, 196-8558, Japan
Katsushi Tanaka
Affiliation:
Department of Mechanics, Kobe University, Rokkodai-cho, Nada-ku, Kobe, Hyogo, 657-8501, Japan
Haruyuki Inui
Affiliation:
Department of Materials Science and Engineering, Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
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Abstract

The crystal structure of the δ1p phase in the Fe-Zn system has been refined by single-crystal synchrotron X-ray diffraction combined with ultra-high resolution scanning transmission electron microscopy. The crystal structure can be described to build up with Fe-centered Zn12 icosahedra. The deformation properties obtained by single-crystal micropillar compression tests of the δ1p phase is discussed in terms of the arrangement of the Fe-centered Zn12 icosahedra in contrast with the ζ phase in the Fe-Zn system.

Keywords

crystallographic structurescanning transmission electron microscopy (STEM)Zn
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1760: Symposium YY – Advanced Structural and Functional Intermetallic-Based Alloys , 2015 , mrsf14-1760-yy05-22
Copyright
Copyright © Materials Research Society 2015 

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References

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