The study of exchange coupling in NiFe/Cu/IrMn trilayer structures by MOKE and FMR measurements

The exchange coupling strength of NiFe/Cu/IrMn trilayer films was examined with both a new magneto optical Kerr effect (MOKE) method developed for the exchange coupling field determination and ferromagnetic resonance (FMR) measurements. We found that the value for exchange coupling field obtained by...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2006-09, Vol.304 (1), p.e62-e64
Main Authors: Yoo, Yong-Goo, Yu, Seong-Cho, Kim, P.D., Belyaev, B.A., Mahlaev, A.M., Khalyapin, D.L.
Format: Article
Language:English
Subjects:
Exchange coupling
FMR
MOKE
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Summary:The exchange coupling strength of NiFe/Cu/IrMn trilayer films was examined with both a new magneto optical Kerr effect (MOKE) method developed for the exchange coupling field determination and ferromagnetic resonance (FMR) measurements. We found that the value for exchange coupling field obtained by the MOKE technique coincided with FMR result with high accuracy. Other peculiarities of FMR measurements due to interlayer exchange coupling such as angular dependence of resonance field on Cu spacer thickness are also shown in the article.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2006.01.180