Thermal stability of fept-based exchange coupled composite films

Honghua H. Guo, Haigang G. Chu, Jialin L. Liao, Bin Ma, Zongzhi Z. Zhang, Qingyuan Y. Jin

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Three series of L10-FePt based exchange coupled composite (ECC) films L10-FePt/Fe, L10-FePt/[Co/Ni]N and L10-FePt/[Co/Pt]N, with different magnetization configurations, on MgO substrates are studied. Though all series of samples show similar dependences of coercivity on the soft layer thickness, their thermal stabilities are much different. The perpendicular ECC film of L1 0-FePt/[Co/Ni]N shows a higher thermal stability than that of in-plane one of L10-FePt/Fe for all the soft layer thicknesses.

Original languageEnglish (US)
Article number6559092
Pages (from-to)3683-3686
Number of pages4
JournalIEEE Transactions on Magnetics
Volume49
Issue number7
DOIs
StatePublished - Aug 2 2013

Keywords

  • Exchange coupled composite (ECC)
  • FePt
  • thermal stability

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