Exchange coupling in synthetic antiferromagnetic multilayers for magnetic write head

Yun Hao Xu, Hai Jiang, Kyusik Sin, Yingjian Chen, Arkajyoti Misra, Jian Ping Wang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Fine tuning of exchange coupling constants was demonstrated in synthetic antiferromagnetic multilayers consisting of three ferromagnetic layers and two spacer layers. The effects of interfacial roughness on both the bilinear and biquadratic exchange coupling constants were studied. A model was developed to simulate the behavior of such synthetic antiferromagnetic multilayer system. Detailed exchange coupling constants, both bilinear and biquadratic, were extracted from experimental data by using the model and compared for different samples.

Original languageEnglish (US)
Pages (from-to)3621-3624
Number of pages4
JournalIEEE Transactions on Magnetics
Volume44
Issue number11 PART 2
DOIs
StatePublished - Nov 1 2008

Keywords

  • Exchange coupling
  • High saturation magnetization
  • Magnetic head
  • Synthetic antiferromagnetic structure
  • Writer

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