Study of the low temperature ordering of L10-Fe-Pt in Fe/Pt multilayers

被引：44
|
作者：
Endo, Y
Oikawa, K
Miyazaki, T
Kitakami, O
Shimada, Y
机构：
[1] Osaka Univ, Grad Sch Engn, Dept Mat Sci & Engn, Suita, Osaka 5650871, Japan
[2] Osaka Univ, Grad Sch Engn, Frontier Res Ctr, Suita, Osaka 5650871, Japan
[3] Natl Inst Adv Ind Sci & Technol, Miyagino Ku, Sendai, Miyagi 9838551, Japan
[4] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
JOURNAL OF APPLIED PHYSICS | 2003年 / 94卷 / 11期
关键词：
D O I：
10.1063/1.1622997
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In order to clarify the formation process of L1(0) Fe-Pt ordered phase in Fe (t(Fe))/Pt (t(Pt)) multilayers, we have evaluated the activation energy of ordering (Q(S)) and of atomic interdiffusion at Fe/Pt interfaces (Q(D)). Q(S) for the multilayers takes a minimum value of similar to0.7 eV when t(Fe)=t(Pt), much lower than that of Fe-Pt disordered alloy films (1.2 eV). This value is almost the same with the activation energy Q(D) of atomic interdiffusion at Fe/Pt interfaces. From these results, it is concluded that the interdiffusion at Fe/Pt interfaces which occurs at relatively low temperature dominates the formation process of L1(0) Fe-Pt in Fe/Pt multilayers. (C) 2003 American Institute of Physics.
引用
收藏
页码：7222 / 7226
页数：5
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