Local structure analysis of SmFe and TbFe

Yoneda, Yasuhiro ; Kohara, Shinji*; Ito, Masayoshi*; Abe, Hiroshi; Takeuchi, Mitsuaki*; Uchida, Hirohisa*; Matsumura, Yoshihito*

We performed local structure analysis of SmFe and TbFe in the crystallization process from amorphous by using synchrotron X-ray pair-distribution function (PDF) method. The giant mangetostrictive materials of these compounds can be controlled its property by ion irradiation. In amorphous TbFe and SmFe, the mosaic block size was small and the short-range order structure owing to Fe-Fe network maintained. In crystalline SmFe, a rigid long-range order structure of Fe-Fe and Sm-Sm network coexisted and it had a large mosaic block size. On the other hand, in crystalline TbFe, Fe-Fe network degraded by Tb-Tb network owing to its lattice tolerance.

Language	:	English
Journal	:	Transactions of the Materials Research Society of Japan
Volume	:	38
Number	:	1
Pages	:	p.109 - 112
Publication Year/Month	:	2013/03
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Paper URL	:	https://doi.org/10.14723/tmrsj.38.109
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Registration No. : AA20120903
JAEA Abstracts No. : 41000821
Paper Submission No. : 12694

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