Observation of a flux closure state in NiFe/IrMn exchange biased rings

被引：15

作者：

Guo, ZB

Zheng, YK

Li, KB

Liu, ZY

Luo, P

Shen, YT

Wu, YH

机构：

[1] Natl Univ Singapore, Data Storage Inst, Singapore 117608, Singapore

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 119260, Singapore

来源：

JOURNAL OF APPLIED PHYSICS | 2003年 / 93卷 / 10期

关键词：

D O I：

10.1063/1.1544498

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have investigated the magnetic behaviors of the array of NiFe/IrMn rings, where a remarkably asymmetrical, kinked hysteresis loop has been observed in the sample. The kinked hysteresis loop has been attributed to the magnetization reversal, which starts from a single domain state to an opposite single domain state on one side of the loop, and takes place via the transition from a single domain state to a flux closure state and then into the opposite single domain state on the other side of the loop. This phenomenon is dramatically different from that of NiFe single layer rings. (C) 2003 American Institute of Physics.

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页码：7435 / 7437

页数：3

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