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物理学报. 2008, 57(4): 2509-2513.
doi: 10.7498/aps.57.2509.
双合成反铁磁结构及其对自旋阀巨磁电阻效应的影响
- 收稿日期: 2007-06-29
- 修回日期: 2007-09-04
- 刊出日期: 2008-04-25
English Abstract
Effect of dual-synthetic antiferromagnet structre on giant magnetoresistance in spin valves
- Received Date:
29 June 2007
- Accepted Date:
04 September 2007
- Published Online:
25 April 2008
Abstract: The properties of dual-synthetic antiferromagnet (DSAF) structure Co90Fe10(5 nm)/Ru(x nm)/Co90Fe10(3 nm)/Ru(y nm)/Co90Fe10(5 nm) (in which x=0.45 y=0.45; x=0.45 y=1; x=1, y=1) were studied. The effect of DSAF structure on giant magnetoresistance (GMR) single spin-valve (SPV) structures was also studied. The study shows that the properties of DSAF are better than those of the conventional synthetic antiferromagnet Co90Fe10(5 nm)/Ru(0.5 nm)/Co90Fe10(3 nm). We demonstrated that the DSAF structure as a pinned layer dramatically enhances the GMR ratio in single SPV films at room temperature.
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