Study on N2-added and B-doped effect in Co/Pd multilayered films using soft x-ray absorption and magnetic circular dichroism

A. Agui, T. Asahi, J. Sayama, J. Kawaji, M. Mizumaki, M. Tanaka, T. Osaka

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The soft x-ray absorption and magnetic circular dichroism spectra at the Co L2,3-edges of [Co/Pd]20 and [CoB/Pd]20 multilayered films, which were sputter-deposited in Ar gas containing N 2 at room temperature, were measured to investigate the electronic and spin states of the films. The macroscopic magnetic properties, such as coercivity and saturation magnetization, and microstructural properties, such as grain size and preferred orientation, were markedly changed for the [Co/Pd]20 film by the B doping and N2 addition. The B doping and/or the addition of N2 gas caused appreciable changes not only in macroscopic magnetic properties but also in microscopic properties, such as the spin angular momentum and orbital angular momentum, throughout the multilayered film. On the other hand, a new spectral feature at the high energy side of the Co L3-edge peak in x-ray absorption spectra was found in only the films with N2 added. Thus, the microscopic properties, such as electronic and spin states, of the Co 3d electronic state for the [Co/Pd]20 and [CoB/Pd]20 films were changed by only the sputtering process with additive N2 gas.

本文言語English
論文番号001
ページ(範囲)2881-2885
ページ数5
ジャーナルJournal of Physics D: Applied Physics
39
14
DOI
出版ステータスPublished - 2006 7 21

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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