Threshold field, electrical conductivity and time-dependent voltage in transition metal tri- and tetrachalcogenides

  • P. Monceau
  • M. Renard
  • J. Richard
  • M. C. Saint-Lager
  • Z. Z. Wang
IV. Charge Density Wave Transport
Part of the Lecture Notes in Physics book series (LNP, volume 217)


Non-linear transport properties have now been measured in numerous one-dimensional transition metal tri- and tetrachalcogenides. For all these compounds the threshold electric field above which the non-linear state appears goes through a minimum in the vicinity of the Peierls temperature transition. The value of this minimum is all the higher as the Peierls transition occurs at a higher temperature. The variation of the fundamental frequency of the time-dependent voltage is shown to follow a (E-Ec)y law (with y ∼ 1.5) near the threshold indicating a collective pinning. Finally non-linear properties of a NbSe3 sample have been studied when both contacts are above the Peierls temperature : in these conditions an a.c. voltage is still detected. This result is discussed in relation with theories on the origin of this voltage generation.


Current Oscillation Threshold Electric Field Polymeric Rubber Peierls Transition Critical Temperature Difference 
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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • P. Monceau
    • 1
  • M. Renard
    • 1
  • J. Richard
    • 1
  • M. C. Saint-Lager
    • 1
  • Z. Z. Wang
    • 1
  1. 1.Centre de Recherches sur les Très Basses TemperaturesCNRSGrenoble-CédexFrance

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