Magnetic properties of ultrathin Ni/Co/Pt(111) films

C. W. Su, C. S. Shern, Y. D. Yao

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The magneto-optical and structural properties of ultrathin Ni/Co/Pt(111) films were investigated. The increase in polar Kerr rotation corresponded to Ni layer which was incorporated by second Co layer on Pt. The Curie temperature was observed to shift to 325 K when film was annealed at 830 K. The high-temperature annealing created different magnetic systems with variable concentrations of Co, Ni and Pt in surface region. The results show that Ni-Pt alloy formation and top-layer enrichment of Pt caused great shift of Curie temperature.

Original languageEnglish
Pages (from-to)6568-6570
Number of pages3
JournalJournal of Applied Physics
Volume95
Issue number11 II
DOIs
Publication statusPublished - 2004 Jun 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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