Effect of Cu surface segregation on the exchange coupling field of NiFe/FeMn bilayers

被引：1
|
作者：
Li, MH [1 ]
Yu, GH
Zhu, FW
Jiang, HW
Lai, WY
机构：
[1] Beijing Univ Sci & Technol, Dept Mat Phys, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2001年 / 46卷 / 22期
基金：
中国国家自然科学基金;
关键词：
NiFe/FeMn; exchange coupling field; texture; surface roughness; surface segregation;
D O I：
10.1007/BF02901176
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The NiFe/FeMn bilayers with different buffer layers (Th or Ta/Cu) were prepared by magnetron sputtering Results show that the exchange coupling field of NiFe/FeMn films with Th buffer is higher than that of the films with Ta/Cu buffer. We analysed the reasons by investigating the crystallographic texture, surface roughness and surface segregation of both films, respectively. We found that the decrease of the exchange coupling fields of NiFe/FeMn films with Ta/ Cu buffer layers was mainly caused by the Cu surface segregation on NiFe surface.
引用
收藏
页码：1934 / 1936
页数：3
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