Watery superconductivity in misfit-layer sulfides

N. Katayama, M. Nohara, H. Takagi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Water intercalated misfit-layer sulfides Nax(H2O)y(SbS)1+δ (TaS2)2 as well as parent compounds (SbS)1+δTaS2 and (SbS)1+δ(TaS2)2 were found to exhibit superconductivity. The highest superconducting transition temperature of Tc = 3.5 K was observed in Nax(H2O)y(SbS)1+δ (TaS2)2 by intercalating a bilayer of water between adjacent TaS2 layers. The transition temperature was reduced down to about 3 K by decreasing the water content y. This indicates that the presence of water is favorable to superconductivity in these sulfides.

Original languageEnglish
Pages (from-to)35-38
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume445-448
Issue number1-2
DOIs
Publication statusPublished - Oct 1 2006
Externally publishedYes

Keywords

  • Superconducting materials
  • Transition metal sulfides
  • Water intercalation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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