Existence and origin of compensation layer thickness in Tb 20Co80/Pd multilayered films

Masahito Tanaka*, Toru Asahi, Akane Agui, Masaichiro Mizumaki, Junichi Sayama, Tetsuya Osaka

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Magnetic properties of [Tb20Co80/Pd(0.8 nm)] 20 multilayered films with a TbCo layer of thickness 0.2-8.0 nm were studied using spectroscopic techniques of soft x-ray absorption (XAS) and magnetic circular dichroism (MCD) at the Co L2,3 and Tb M 4,5 edges. The compensation layer thickness of TbCo, where magnetization becomes zero, was observed to be 5-6 nm. XAS and MCD analyses using the sum rule revealed that the existence of the compensation layer thickness was primarily because the projected Tb 4f magnetic moment was enhanced with the increase in the layer thickness, while the Co 3d moment was independent of the layer thickness. Below the compensation layer thickness, Co sublattice magnetization was dominant.

本文言語English
論文番号055003
ジャーナルJournal of Physics D: Applied Physics
41
5
DOI
出版ステータスPublished - 2008 3 7

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
  • 音響学および超音波学
  • 表面、皮膜および薄膜

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