Borocarbide superconductors: Materials and physical properties

H. Takagi, M. Nohara, R. J. Cava

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

An overview is given on materials and physical properties of the borocarbide intermetallic superconductors, RETM2B2C (RE = rare-earth, TM = Ni, Pd, Pt). Extensive studies on Lu(Y)Ni2B2C have revealed that the compound is a three-dimensional and clean limit type II superconductor with a moderately high density of states at the Fermi level. The high density of states originates from the presence of a narrow d band near the Fermi level. Intermediate coupling with phonons and the high density of states are likely to account for the observed high transition temperature. The presence of the narrow d band, on the other hand, results in substantial electron correlation effects.

Original languageEnglish (US)
Pages (from-to)292-295
Number of pages4
JournalPhysica B: Condensed Matter
Volume237-238
DOIs
StatePublished - Jul 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

Keywords

  • Borocarbide
  • Superconductivity

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