Electronic band structures and charge density wave of 2HMX2(M = Nb,Ta,X =S,Se)

Michi To Suzuki, Hisatomo Harima

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


We have performed the band structure calculations for the normal phase of 2H-MX2(M=Nb,Ta,X=S,Se) and the 3×3 commensurate CDW (C-CDW) phase of 2H-TaSe2. In 2H-TaSe2 the density of states shows a peak structure near the Fermi level in the normal phase, then becomes largely reduced after formation of the CDW. It allows us to discuss the new mechanism for the CDW instability.

Original languageEnglish
Pages (from-to)1180-1182
Number of pages3
JournalPhysica B: Condensed Matter
Issue numberSPEC. ISS.
Publication statusPublished - 2005 Apr 30
Externally publishedYes


  • Charge density wave
  • Electronic band structure
  • Transition metal di-chalcogeneides

ASJC Scopus subject areas

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


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