Magnetic and magnetotransport properties in epitaxial FeMn/Py/Cu/Py spin-valve films

被引：2
|
作者：
Huang, JCA [1 ]
Tsao, CH [1 ]
Yu, CC [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1999年 / 35卷 / 05期
关键词：
molecular beam epitaxy; spin valve; magnetic anisotropy; exchange field; magnetoresistance;
D O I：
10.1109/20.801032
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We have studied magnetic and magnetotransport properties in fee (111)- and (211)-oriented [FeMn/Py/Cu/Py] (Py = Ni80Fe20) films grown on Mo(110) and Mo(211) templates by molecular beam epitaxy, Uniaxial magnetic anisotropy of the magnetic layers in both cases were self-assembled by epitaxial growth. However, the pinned layer coercive fields of the (211) films were much higher than those of the (111) samples. For both orientations the optimal exchange field (similar to 130Oe) and magnetoresistance (similar to 3%) occur at substrate temperature of similar to 170 degrees C, about 30-40 degrees C above the blocking temperature of FeMn layer.
引用
收藏
页码：2931 / 2933
页数：3
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