Structural phase transition in the superconducting pyrochlore oxide Cd2Re2O7

M. Hanawa, J. Yamaura, Yuji Muraoka, F. Sakai, Z. Hiroi

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

We report a structural phase transition found at Ts = 200 K in a pyrochlore oxide Cd2Re2O7 which shows superconductivity at Tc = 1.0 K. X-ray diffraction experiments indicate that the phase transition is of the second-order, from a high-temperature phase with the ideal cubic pyrochlore structure (space group Fd3̄m) to a low-temperature phase with another cubic structure (space group F4̄3m). It is accompanied by a dramatic change in the resistivity and magnetic susceptibility and thus must induce a significant change in the electronic structure of Cd2Re2O7.

Original languageEnglish
Pages (from-to)1027-1030
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume63
Issue number6-8
DOIs
Publication statusPublished - Jun 2002
Externally publishedYes

Fingerprint

Oxides
Phase transitions
magnetic permeability
oxides
Superconductivity
Magnetic susceptibility
Electronic structure
superconductivity
electronic structure
X ray diffraction
Temperature
electrical resistivity
diffraction
x rays
Experiments
pyrochlore

Keywords

  • A. Oxides
  • A. Superconductors
  • C. X-ray diffraction
  • D. Electrical properties
  • D. Phase transitions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Structural phase transition in the superconducting pyrochlore oxide Cd2Re2O7. / Hanawa, M.; Yamaura, J.; Muraoka, Yuji; Sakai, F.; Hiroi, Z.

In: Journal of Physics and Chemistry of Solids, Vol. 63, No. 6-8, 06.2002, p. 1027-1030.

Research output: Contribution to journalArticle

Hanawa, M. ; Yamaura, J. ; Muraoka, Yuji ; Sakai, F. ; Hiroi, Z. / Structural phase transition in the superconducting pyrochlore oxide Cd2Re2O7. In: Journal of Physics and Chemistry of Solids. 2002 ; Vol. 63, No. 6-8. pp. 1027-1030.
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