Magnetic dead layers in Fe films induced by a lattice mismatch at an interface

K. Hayashi, M. Sawada, H. Yamagami, A. Kimura, A. Kakizaki

研究成果: Article査読

8 被引用数 (Scopus)

抄録

The magnetism of Fe thin films grown at room temperature on the Rh(001) surface was studied by angle- and spin-resolved photoemission, X-ray photoelectron diffraction, soft X-ray magnetic circular dichroism (XMCD), and band calculations using full-potential augmented plane wave method. On the Rh(001) surface Fe films start to grow in a FCT(001) structure with a lattice constant compressed along the direction perpendicular to the surface and the compression is gradually released as the film thickness increases. The characteristic growth mode of the Fe films on the Rh(001) surface results in the existence of magnetically dead 2 monolayers (ML) of Fe at the interface and of ferromagnetism over 2 ML, which are realized by the XMCD experiments measured at low temperature. The thickness dependence of the magnetic properties of the Fe films is consistent with the results of total energy calculations adopting the experimentally obtained interlayer spacing.

本文言語English
ページ(範囲)324-327
ページ数4
ジャーナルPhysica B: Condensed Matter
351
3-4
DOI
出版ステータスPublished - 2004 9 15
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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