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ELECTRONIC STRUCTURES AND REORIENTATION OF PERPENDICULAR MAGNETIC ANISOTROPY OF Co/Au(111)andCo/Pd(111)

Author

Listed:
  • M. SAWADA

    (Institute for Solid State Physics, University of Tokyo, Chiba 277-8581, Japan)

  • K. HAYASHI

    (Institute for Solid State Physics, University of Tokyo, Chiba 277-8581, Japan)

  • A. KAKIZAKI

    (Institute for Solid State Physics, University of Tokyo, Chiba 277-8581, Japan;
    Institute of Materials Structure Science, High Energy Accelerator Research Organization, Ibaraki 305-0801, Japan)

Abstract

We have investigated electronic and magnetic properties of Co thin films epitaxially grown on Au(111) and Pd(111) substrates by spin- and angle-resolved photoelectron spectroscopy. In the Co/Au(111) system, the magnetization direction of Co changes from perpendicular to parallel to the surface at about 6 ML. The origin of the reorientation is qualitatively explained by the increasing contribution of Co3dorbitals perpendicular to the surface. In the Co/Pd(111) system, the reorientation of the magnetization direction occurs at about 4 ML, the origin of which is explained as being due to the contribution of the upperΛ3band of Co with increase of film thickness as in the case of the Co/Au(111) system. The stronger hybridization between Co3dand Pd4dstates in the Co/Pd(111) system causes larger binding energy shifts of theΛ3states than in the Co/Au(111) system.

Suggested Citation

  • M. Sawada & K. Hayashi & A. Kakizaki, 2002. "ELECTRONIC STRUCTURES AND REORIENTATION OF PERPENDICULAR MAGNETIC ANISOTROPY OF Co/Au(111)andCo/Pd(111)," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 865-869.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x0200307x
    DOI: 10.1142/S0218625X0200307X
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