Superconductivity in the Mn5Si3-type Zr 5Sb3 system

B. Lv, X. Y. Zhu, B. Lorenz, F. Y. Wei, Y. Y. Xue, Z. P. Yin, G. Kotliar, C. W. Chu

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We report the discovery of superconductivity at 2.3 K in Zr 5Sb3, the first superconducting member in the large compound family of the Mn5Si3-type structure. Transport, magnetic, and calorimetric measurements clearly demonstrate bulk superconductivity for Zr5Sb3 and suggest it to be a possible phonon-mediated BCS superconductor with a relatively large density of states at the Fermi level associated with the d electrons of Zr and substantially larger electron-phonon coupling compared to the Sn counterpart compound Zr5Sn3 from band structure calculations. More superconductors with even higher transition temperatures are expected to be found in this family of compounds.

Original languageEnglish (US)
Article number134520
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume88
Issue number13
DOIs
StatePublished - Oct 28 2013

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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