Photoemission study of pyrochlore superconductor Cd2Re2O7

R. Eguchi, T. Yokoya, T. Baba, M. Hanawa, Z. Hiroi, N. Kamakura, Y. Takata, H. Harima, S. Shin

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17 Citations (Scopus)

Abstract

We report photoemission study of the pyrochlore superconductor Cd2Re2O7. The valence-band spectra show the Re 5d dominant band close to the Fermi level (EF), consistent with the recent band calculations. Temperature-dependent study of the Re 5d band reveals a gradual change in spectral shape, as is seen from a gradual modification of difference spectra below 200 K. These results are related to another transition at 200 K reported from resistivity and susceptibility measurements and indicate that the transition involves a change in electronic structures of the Re 5d band near EF.

Original languageEnglish
Article number012516
Pages (from-to)125161-125164
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number1
DOIs
Publication statusPublished - Jul 1 2002
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Eguchi, R., Yokoya, T., Baba, T., Hanawa, M., Hiroi, Z., Kamakura, N., Takata, Y., Harima, H., & Shin, S. (2002). Photoemission study of pyrochlore superconductor Cd2Re2O7. Physical Review B - Condensed Matter and Materials Physics, 66(1), 125161-125164. [012516]. https://doi.org/10.1103/PhysRevB.66.012516