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

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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
Issue number9
Publication statusPublished - Mar 1998

ASJC Scopus subject areas

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

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    Yoshida, Y., Kubozono, Y., Urakawa, T., Maeda, H., Kashino, S., Murakami, Y., Ohta, T., Izumi, F., Yamada, K., & Furukawa, Y. (1998). Temperature dependence of atomic displacements in superconductor K2RbC60. Solid State Communications, 105(9), 557-560. https://doi.org/10.1016/S0038-1098(97)10195-8