Low temperature ordering and high (001) orientation of [Fe/Pt/Cu] 18 multilayer films

Yongsheng Yu, X. Z. Li, T. A. George, W. D. Fei, Haibo Li, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


[Fe/Pt/Cu]18 multilayer films with different Cu thicknesses were prepared on thermally oxidized Si (111) substrates at room temperature using dc- and rf-magnetron sputtering. The magnetic properties and microstructure of [Fe/Pt/Cu]18 multilayer films annealed at various temperatures have been investigated. Compared with pure [Fe/Pt]18 multilayer films low-temperature ordering and (001) orientation in the annealed films with Cu volume concentration below 20% can be obtained. During annealing process Cu atoms diffused into FePt lattice which enhanced the diffusion of Fe and Pt atoms and the grain growth of the films. The perpendicular anisotropy and hard magnetic properties of the films deteriorated with increasing Cu volume concentration due to the formation of L10 FeCuPt2 phase.

Original languageEnglish (US)
Pages (from-to)460-465
Number of pages6
JournalThin Solid Films
StatePublished - 2013


  • Annealing
  • Iron platinum copper films
  • Low temperature ordering
  • Multilayer films
  • Sputtering
  • Texture

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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