Pt thickness and buffer layer effects on the structure and magnetism of Co/Pt multilayers

J. C.A. Huang, M. M. Chen, C. H. Lee, T. H. Wu, J. C. Wu, C. M. Fu

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[Co(3 Å)/Pt(tPt)]30 (1 1 1) multilayers were prepared by molecular beam epitaxy. X-ray diffractions show clear satellite peaks around the Co/Pt fundamental peak, indicative of a good modulated structure for all Co/Pt multilayers. The optimal perpendicular magnetic properties were obtained for 6 Å < tPt < 10 Å. The effect of Pt buffer (BPt) upon the magnetic property of [Co(3 Å)/Pt(10 Å)]30/Pt(BPt) is also studied. X-ray diffractions reveal that the superlattice peaks of [Co(3 Å)/Pt(10 Å)]30/Pt(BPt) increase with increasing BPt. The Kerr rotations and polar coercivity Hc increase with increase in BPt but both saturate at about BPt = 200 Å.

Original languageEnglish
Pages (from-to)326-328
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Issue number1-3
Publication statusPublished - 2002 Feb 1


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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