The two-spin model with dipolar interactions for the exchange coupled composite media

D. Vokoun, T. Rahman, H. C. Hou, C. H. Lai, M. Beleggia

Research output: Contribution to journalConference articleResearchpeer-review

Abstract

We study exchange coupled composite (ECC) media where both the hard and soft coupled layers possess perpendicular anisotropy or one of the layers is superparamagnetic. Our model is used to demonstrate the effect of the dipolar interactions on the coercive field. A series of ECC samples with various thicknesses of Ru spacer is manufactured and analyzed. The structure of the samples prepared is CoPtCr-Si O2 RuCoPtCr-Si O2, with the composition varied around that of (Co Pt17 Cr10)90 - (Si O2)10. The acquired experimental data are used to illustrate the significance of magnetostatic interactions between the two coupled magnetic layers. © 2008 American Institute of Physics.
Original languageEnglish
Article number07F520
JournalJournal of Applied Physics
Volume103
Issue number7
ISSN0021-8979
DOIs
Publication statusPublished - 2008
Externally publishedYes

Keywords

  • Dipole moment
  • Exchange coupling
  • Exchange interactions
  • Magnetic anisotropy
  • Magnetostatics
  • Mathematical models
  • Spin dynamics
  • Superparamagnetism
  • Composite materials
  • T
  • X

Fingerprint Dive into the research topics of 'The two-spin model with dipolar interactions for the exchange coupled composite media'. Together they form a unique fingerprint.

Cite this