Ferromagnetic interlayer coupling in C60-Co compound/Ni bilayer structure

Yoshihiro Matsumoto, Seiji Sakai, Shiro Entani, Yasumasa Takagi, Takeshi Nakagawa, Hiroshi Naramoto, Pavel Avramov, Toshihiko Yokoyama

研究成果: Contribution to journalArticle査読

6 被引用数 (Scopus)

抄録

X-ray magnetic circular dichroism (XMCD) spectroscopy was employed to investigate the electronic and magnetic structures of the bilayers of a C 60-Co compound and Ni. A few-several nm thick C60-Co compound layers on the Ni(1 1 1) surface are found to show intense XMCD signals attributed to the localized Co d-spins only with the remanent magnetization of Ni layer. It is suggested that the region of the C60-Co compound within 3 nm from the interface is ferromagnetically coupled with Ni due to the indirect exchange interaction mediated by C60, probably relevant to the interlayer charge transfer.

本文言語英語
ページ(範囲)68-72
ページ数5
ジャーナルChemical Physics Letters
511
1-3
DOI
出版ステータス出版済み - 7 26 2011
外部発表はい

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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