Asymmetrically kinked hysteresis loops in exchange biased NiFe/IrMn rings

Z. B. Guo*, Y. K. Zheng, K. B. Li, Z. Y. Liu, P. Luo, Y. H. Wu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


The magnetic properties of a series of exchanged biased NiFe/IrMn rings were studied. The study was carried out by using magnetic force microscopy hysteresis loop measurement at various temperature. Magnetic properties of arrays of NiFe/IrMn rings with inner diameter from 0.35 to 1.50 μm and the outer diameter of 2.0 μm were also used for the study. It was found that the magnetic behaviours in NiFe/IrMnrings were different from those of continuous NiFe/IrMn bilayers and NiFe single layer rings.

Original languageEnglish (US)
Pages (from-to)4918-4921
Number of pages4
JournalJournal of Applied Physics
Issue number9
StatePublished - May 1 2004
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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