Charge Density Waves in Layered Compounds

  • P. C. Klipstein
Conference paper
Part of the Springer Series in Surface Sciences book series (SSSUR, volume 3)

Abstract

The Transition Metal Dichalcogenide compounds (eg. TaS2) have a layered structure where each layer consists of a hexagonally packed plane of metal atoms sandwiched between two of chalcogen atoms [1]. In the metallic compounds, the Fermi surface consists of cylindrical electron or hole pockets with axes perpendicular to the layer [2]. This “two-dimensional” electronic character leads in most cases to a Periodic Lattice Distortion (PLD) below some temperature Td [3]. The distortion is screened by the electron gas, giving rise to an associated Charge Density Wave (CDW).

Keywords

Anisotropy Chalcogen TaS2 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • P. C. Klipstein
    • 1
  1. 1.Cavendish LaboratoryUniversity of CambridgeCambridgeUK

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