The mechanism of charge-density-wave pinning, excitations of the pinned condensate

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Abstract

The static and dynamic properties of the pinned charge-density-wave (CDW) is studied in the blue bronze, K0.3MoO3. High pressure suppresses the CDW order parameter and simultaneously the pinning energy decreases. Their relation favours weak pinning theories. The condensate may resonate around the equilibrium position but it can also be excited at low frequencies if screening by normal carriers allows internal deformations. The latter phason mode freezes out at low temperatures. This process is investigated by dielectric measurements.

Original languageEnglish
Pages (from-to)3799-3805
Number of pages7
JournalSynthetic Metals
Volume43
Issue number3
DOIs
Publication statusPublished - Jun 14 1991

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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