EXAFS study on local structural changes in amorphous Fe-Zr-B alloys

Nakata, Yoshiyuki*; Hara, Naoyuki*; Hirotsu, Yoshihiko*; Emura, Shuichi*; Makino, Akihiro*; Uruga, Tomoya*; Harada, Makoto*; Nishihata, Yasuo; Yoneda, Yasuhiro ; Kubozono, Yoshihiro*

The EXAFS spectra on Zr K-edge are investigated for as-formed Fe-7at%Zr-3at%B amorphous alloys and annealed ones at 693 K and 773 K for an hour in order to reveal local structural changes due to annealing. The analysis shows that the atomic distances of Fe-Zr and Zr-Zr pairs increase during annealing and approach those in a Fe3Zr or/and Fe2Zr metallic comound. The change in the atomic distances suggests that medium range ordered clusters should be formed during annealing.

Language	:	English
Journal	:	Japanese Journal of Applied Physics
Volume	:	38
Number	:	Suppl.38-1
Pages	:	p.404 - 407
Publication Year/Month	:	1999/06
Meeting title	:	2nd International Conference on Synchrotron Radiation in Materials Science (SRMS-2)
Held date	:	1998/11
Location (city)	:	Kobe
Location (country)	:	Japan
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Keywords	:	EXAFS; Magnetic Materials; Amorphous; Crystalization; Fe-Zr-B Alloys
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : B20020412
JAEA Abstracts No. :
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