Polymeric Co-C60 Compound Phase Evolved in Atomistically Mixed Thin Films

Seiji Sakai; Hiroshi Naramoto; Vasily Lavrentiev; Kazumasa Narumi; Masaki Maekawa; Atsuo Kawasuso; Tsuyoshi Yaita; Yuji Baba

doi:10.2320/matertrans.46.765

Polymeric Co-C₆₀ Compound Phase Evolved in Atomistically Mixed Thin Films

Seiji Sakai, Hiroshi Naramoto, Vasily Lavrentiev, Kazumasa Narumi, Masaki Maekawa, Atsuo Kawasuso, Tsuyoshi Yaita, Yuji Baba

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Keywords: polymeric Co-C₆₀ compounds, bridge-formation, atom-level mixing, extended X-ray absorption fine structure, positron annihilation study, co-deposition technique

JOURNAL FREE ACCESS

2005 Volume 46 Issue 4 Pages 765-768

DOI https://doi.org/10.2320/matertrans.46.765

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Abstract

A systematic study of the atom-level mixtures between Co and C₆₀ has made possible to find a new C₆₀-based compound phase, Co_xC₆₀ (x≤5). It is confirmed with the EXAFS analysis and the positron annihilation study that the polymeric structure is developed three-dimensionally by bridging two C₆₀ molecules with the covalently bonded Co atom.

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