Thermodynamic study and intrinsic type II superconductivity in the A-15 compound V3Si

Y. Muto, N. Toyota, K. Noto, K. Akutsu, M. Isino, T. Fukase

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

The specific heat of a single crystal of the A-15-type compound V3Si in the normal, mixed, and superconducting states has been measured from 4 to 30 K in magnetic fields up to 50 kOe. The analysis has been performed in a self-consistent way based on the second-order phase transition from the normal to the superconducting state. The thermodynamic critical field and then various physical parameters characterizing the superconducting and normal states are almost consistently derived from the thermodynamics and the microscopic BCS-GLAG theory. It is confirmed that V3Si is an intrinsic type II superconductor with a high intrinsic GL parameter κ0.

Original languageEnglish
Pages (from-to)617-640
Number of pages24
JournalJournal of Low Temperature Physics
Volume34
Issue number5-6
DOIs
Publication statusPublished - 1979 Mar 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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