Training Effect and Hysteretic Behaviour of Angular Dependence of Exchange Bias in Co/IrMn Bilayers

ZHANG Jing; DU Jun; BAI Xiao-Jun; YOU Biao; ZHANG Wei; HU An

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Training Effect and Hysteretic Behaviour of Angular Dependence of Exchange Bias in Co/IrMn Bilayers

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@@ The training effect and the hysteresis behaviour of the angular dependence of exchange bias are extensively investigated upon the variation of the IrMn layer thickness tIrMn in a series of Co/IrMn bilayers. When tIrMn is very small, both of them are negligible. Then they increase very sharply with increasing tIrMn and then reach maxima at almost the same value of tIrMn. Finally they both decrease when tIrMn is further increased. The similar variation trends suggest that these phenomena arise from irreversible change of antiferromagnet spin orientations, according to the thermal activation model.

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《中国物理快报：英文版》 |2009年第4期|205-208|共4页
作者
ZHANG Jing; DU Jun; BAI Xiao-Jun; YOU Biao; ZHANG Wei; HU An;
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National Laboratory of Solid State Microstructures and Department of Physics,Nanjing University,Nanfing 210093;

National Laboratory of Solid State Microstructures and Department of Physics,Nanjing University,Nanfing 210093;

National Laboratory of Solid State Microstructures and Department of Physics,Nanjing University,Nanfing 210093;

National Laboratory of Solid State Microstructures and Department of Physics,Nanjing University,Nanfing 210093;

National Laboratory of Solid State Microstructures and Department of Physics,Nanjing University,Nanfing 210093;

National Laboratory of Solid State Microstructures and Department of Physics,Nanjing University,Nanfing 210093;

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中图分类物理学;
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Training Effect and Hysteretic Behaviour of Angular Dependence of Exchange Bias in Co/IrMn Bilayers

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