XAFS study on metal endohedral fullerenes

Yoshihiro Kubozono, Takashi Inoue, Yasuhiro Takabayashi, Satoshi Fujiki, Setsuo Kashino, Takeshi Akasaka, Takatsugu Wakahara, Masayasu Inakuma, Haruhiko Kato, Toshiki Sugai, Hisanori Shinohara, Shuichi Emura

    Research output: Contribution to journalArticlepeer-review

    7 Citations (Scopus)

    Abstract

    Structure of metal endohedral fullerenes is studied by XAFS and XANES. The Sc-Sc distance of 2.23(1) Å determined from Sc K-edge XAFS supports the formation of a triangular Sc3 cluster in Sc3@C82 as is found by MEM analysis for the X-ray diffraction. Gd LIII-edge XAFS of Gd@C82 shows that the first and the second neigboring Gd-C distances are 2.51(2) and 2.85(4) Å, respectively. The La-La distance of La2@C80 has been determined to be 3.90(1) Å at 40 K. This value does not change when increasing temperature [3.90(2) Å at 240 K]. The position and the valenece of the Eu atom in Eu@C60 are also discussed based on Eu LIII-edge XAFS and XANES.

    Original languageEnglish
    Pages (from-to)551-553
    Number of pages3
    JournalJournal of Synchrotron Radiation
    Volume8
    Issue number2
    DOIs
    Publication statusPublished - Mar 1 2001

    Keywords

    • Metal endohedral fullerene
    • Structure
    • Valence
    • XAFS
    • XANES

    ASJC Scopus subject areas

    • Radiation
    • Nuclear and High Energy Physics
    • Instrumentation

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