Temperature dependence of atomic displacements in superconductor K2RbC60

Y. Yoshida, Y. Kubozono, T. Urakawa, H. Maeda, S. Kashino, Y. Murakami, T. Ohta, F. Izumi, K. Yamada, Y. Furukawa

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    The temperature dependence of atomic displacement in superconducting K2RbC60 and non-superconducting Rb6C60 has been studied on the basis of X-ray powder diffraction. Rietveld refinement of X-ray powder diffraction data for K2RbC60 at 10.2 K revealed that the occupancy of Rb+ ions at an octahedral site is not 100% but 71%. It has been found that atomic displacements for C atom and metal ions in K2RbC60 show an increase around its superconducting critical temperature. Such an increase has not been observed in Rb6C60.

    Original languageEnglish
    Pages (from-to)557-560
    Number of pages4
    JournalSolid State Communications
    Volume105
    Issue number9
    DOIs
    Publication statusPublished - Mar 1998

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Materials Chemistry

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