Ag induced enhancement of perpendicular magnetic anisotropy

C. S. Shern, C. W. Su, Y. E. Wu, S. H. Chen

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Some interesting magnetic properties were observed after Ag ultrathin films were deposited on Co/Pt(111). The spin reversal of Co can be prevented when Ag atoms cap Co on Pt(111). The out-of-plane magnetization has a significant enhancement after annealing at high temperature. The Curie temperature increases from 625 to 710 K as 1 ML of Ag is deposited on 1 ML Co/Pt(111). The change of surface anisotropy and the formation of a Co-Pt alloy are possible mechanisms for the magnetization enhancement.

Original languageEnglish
Pages (from-to)L821-L826
JournalSurface Science
Volume495
Issue number3
DOIs
Publication statusPublished - 2001 Dec 20

Keywords

  • Alloys
  • Auger electron spectroscopy
  • Cobalt
  • Interface states
  • Low energy electron diffraction (LEED)
  • Magnetic measurements
  • Platinum
  • Silver

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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