Superconductivity in Y2C3 with medium Tc

Satoshi Akutagawa, Jun Akimitsu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Recently, we have reported a relatively high-Tc superconductivity in Y2C3 at 18 K whose Tc could be changed by synthesis conditions from 10 to 18 K [G. Amano, S. Akutagawa, T. Muranaka, Y. Zenitani, J. Akimitsu, Superconductivity at 18 K in yttrium sesquicarbide system, Y2C3 J. Phys. Soc. Jpn. 73 (2004) 530.]. We synthesized a high-purity sample of the medium-Tc phase in Y2C3 and examined its physical properties in detail. From a specific heat measurement, ΔC(Tc)/γT c value is calculated to be 6.50 and the superconducting gap is estimated to be 2Δ/kB Tc=5.40, indicating that the superconductivity in Y2C3 can be described by an s-wave strong coupling regime.

Original languageEnglish
Pages (from-to)2-5
Number of pages4
JournalScience and Technology of Advanced Materials
Volume7
Issue number1 SPEC. ISS.
DOIs
Publication statusPublished - Jan 2006
Externally publishedYes

Keywords

  • Carbide
  • Magnetic susceptibility
  • Specific heat
  • Superconductivity
  • YC

ASJC Scopus subject areas

  • Materials Science(all)

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