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

doi:10.1016/S0038-1098(97)10195-8

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 Institute for Interdisciplinary Science

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	557-560
Number of pages	4
Journal	Solid State Communications
Volume	105
Issue number	9
DOIs	https://doi.org/10.1016/S0038-1098(97)10195-8
Publication status	Published - Mar 1998

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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@article{25ec5ca77f054338a7e8c19f6494bead,

title = "Temperature dependence of atomic displacements in superconductor K2RbC60",

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.",

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

note = "Funding Information: Acknowledgements-This work was performedu ndera proposalt o the ProgramA dvisory Committeeo f the PhotonF actory( ProposalN o. 966129)a nd supported by the Grant-in-Aid0 8740545fr om the Ministry of EducationS, cience,S portsa ndC ulture,J apan.",

year = "1998",

month = mar,

doi = "10.1016/S0038-1098(97)10195-8",

language = "English",

volume = "105",

pages = "557--560",

journal = "Solid State Communications",

issn = "0038-1098",

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number = "9",

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T1 - Temperature dependence of atomic displacements in superconductor K2RbC60

AU - Yoshida, Y.

AU - Kubozono, Y.

AU - Urakawa, T.

AU - Maeda, H.

AU - Kashino, S.

AU - Murakami, Y.

AU - Ohta, T.

AU - Izumi, F.

AU - Yamada, K.

AU - Furukawa, Y.

N1 - Funding Information: Acknowledgements-This work was performedu ndera proposalt o the ProgramA dvisory Committeeo f the PhotonF actory( ProposalN o. 966129)a nd supported by the Grant-in-Aid0 8740545fr om the Ministry of EducationS, cience,S portsa ndC ulture,J apan.

PY - 1998/3

Y1 - 1998/3

N2 - 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.

AB - 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.

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SN - 0038-1098

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