Enhanced magneto-optical effect due to interface alloy formation in Co-Pt (1 1 1) ultrathin films upon thermal annealing

M. T. Lin, C. C. Kuo, J. W. Ho, Y. E. Wu, H. Y. Her, C. S. Shern, H. L. Huang

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After postdeposition annealing in the temperature range of 500-800 K, a highly enhanced magneto-optical Kerr response up to a maximal value 300% of that before annealing, is observed for 1-2 ML ultrathin Co-Pt (1 1 1) films. With help of low energy electron diffraction and Auger electron spectroscopy, this enhancement of magneto-optical response is found to be correlated to the Co-Pt alloy formation at interface.

Original languageEnglish
Pages (from-to)231-235
Number of pages5
JournalApplied Surface Science
Publication statusPublished - 2001 Jan 15


ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Physics and Astronomy(all)
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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