Charge-density-wave instability in TlMo6O17, a new quasi-two-dimensional purple bronze

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

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Single crystals of TlMo6O17 purple bronze have been grown using a temperature gradient flux technique. TlMo6O17 is trigonal with space group P3 or P3 and a = 5.543(2) A ̊, c = 14.000(2) and appears to be isostructural with K0.9Mo6O17. The transport properties of TlMo6O17 are similar to that of K0.9Mo6O17. The temperature dependence of the resistivity shows a metal-metal transition at ∼113K, probably associated with a charge-density-wave driven phase transition. The magnetic susceptibility decreases sharply near the temperature of the anomaly seen in the resistivity. The electronic properties of the quasi 2D purple bronzes, A0.9Mo6O17 with A = Li, Na, K, Tl are compared. It is shown that despite the similarity of the basic Mo6O17 network structure in all, the properties vary substantially with the A cations. In contrast, the quasi 1D blue bronzes, A0.3MoO3 with A = K, Rb, Tl have nearly identical transport properties.

Original languageEnglish (US)
Pages (from-to)647-652
Number of pages6
JournalSolid State Communications
Issue number10
StatePublished - Sep 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry


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