Low-frequency dielectric response of the charge-density wave in orthorhombic TaS3

Robert Joseph Cava, R. M. Fleming, R. G. Dunn, E. A. Rietman

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

We have studied the dielectric response of the charge-density wave (CDW) in orthorhombic TaS3 in the frequency range 5 Hz to 5 MHz as a function of ac signal amplitude, and at temperatures between 73 and 128 K. The CDW response is strongly dependent on signal amplitude for rms signals greater than 10% of the threshold voltage for nonlinear transport. Divergent dielectric constants at low frequency are observed for relatively large signal amplitudes. The small signal response reveals the dramatic disappearance of a low-frequency relaxation between 115 and 65 K.

Original languageEnglish (US)
Pages (from-to)8325-8328
Number of pages4
JournalPhysical Review B
Volume31
Issue number12
DOIs
StatePublished - Jan 1 1985
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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