Effect of Au spacer layer on L1 0 phase ordering temperature of CoPt thin films

T. Yokota, L. Gao, S. H. Liou, M. L. Yan, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

The reduction in the ordering temperature using a CoPt multilayer with an Au layer inserted was discussed. After annealing at 400°C, the coercivity of the CoPt multilayer with 2 nm Au inserted was 5 kOe. The addition of Au was effective for reducing the ordering temperature. It was found that the phase formation of the L1 0 structure of the CoPt inserted Au layer films started at around 350-400°C. The results show that the phase formation of L1 0 structure of CoPt is a slow diffusion process.

Original languageEnglish (US)
Pages (from-to)7270-7272
Number of pages3
JournalJournal of Applied Physics
Volume95
Issue number11 II
DOIs
StatePublished - Jun 1 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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