Temperature dependence of magnetotransport properties of Ni80Fe20/Fe50Mn50/Ni80Fe20 trilayers

被引：13
|
作者：
Chui, K. M. [1 ]
Tripathy, D. [1 ]
Adeyeye, A. O. [1 ]
机构：
[1] Natl Univ Singapore, Dept Elect & Comp Engn, Informat Storage Mat Lab, Singapore 117576, Singapore
来源：
JOURNAL OF APPLIED PHYSICS | 2007年 / 101卷 / 09期
关键词：
D O I：
10.1063/1.2709741
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this work, we have investigated the temperature dependence and effect of seed layer thickness on the exchange bias of a Ni80Fe20 (t(s))/Fe50Mn50 (20 nm)/Ni80Fe20 (20 nm) trilayer, with t(s) varied systematically from 5 to 50 nm. Room temperature hysteresis loops show that variation in t(s) strongly affects the exchange bias of both the seed and top Ni80Fe20 layers. Magnetotransport measurements were used to determine the temperature dependence of the overall exchange field (H-E) and coercivity (H-C) as a function of seed layer thickness. (c) 2007 American Institute of Physics.
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