Charge-density wave instability and nonlinear transport in Tl0.3MoO3 a new blue molybdenum oxide bronze

B. T. Collins, K. V. Ramanujachary, M. Greenblatt, J. V. Waszczak

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43 Scopus citations

Abstract

Single crystals of Tl0.3MoO3 blue bronze were grown by the temperature gradient flux technique for the first time. Tl0.3MoO3 crystalizes with monoclinic symmetry, space group C2, C2/m or Cm, a = 18.486(1) A ̊, b = 7.5474(6) A ̊, c = 10.0347(7) A ̊, β = 118.377(6)° and appears to be isostructural with the K0.3MoO3 blue bronze. The physical properties of Tl0.3MoO3 are similar to those of the K3MoO3 and Rb3MoO3 phases. The resistivity of Tl0.3MoO3 is highly anisotropic and its temperature susceptibility (4.2-300K) decreases sharply with decreasing temperature near the transition seen in the resistivity. The onset of another transition <60K is also indicated by the susceptibility data. Non-linear current-voltage (I-V) characteristics observed at ∼70K above applied threshold voltages of the order of ∼300mV/cm suggest the sliding of charge density condensate.

Original languageEnglish (US)
Pages (from-to)1023-1028
Number of pages6
JournalSolid State Communications
Volume56
Issue number12
DOIs
StatePublished - Dec 1985

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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