X-ray study of the relation between the coercivity and atomic structural properties of the epitaxial Co/Pt multilayers on Al2O 3(11-20) substrates

Chih Hao Lee, Kuan Li Yu, J. C.A. Huang, M. M. Chen

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摘要

The relation between the coercivity and the structure of MBE (Co/Pt) 30 multilayers on Al2O3 (11-20) with Pt buffer layers was studied. By changing the thickness of Co layers, Pt layers or Pt buffer layers, the in-plane strains of Pt layers can be varied from -1.6% to -4.5%. The coercive force, Hc, is roughly inverse proportional to the in-plane strain of Pt layer. However, if the in-plane strain is constant, the Hc is still increased regardless of the decrease of the density of the in-plane defects as the thickness of the Pt buffer layer increases. The interface mixing might be the reason of reducing the Hc value.

原文English
頁(從 - 到)e933-e935
期刊Journal of Magnetism and Magnetic Materials
272-276
發行號SUPPL. 1
DOIs
出版狀態Published - 2004 五月

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學

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