Crystal growth of alkali metal molybdenum bronzes by a temperature gradient flux technique

K. V. Ramanujachary, Martha Greenblatt, W. H. McCarroll

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Abstract

Single crystals of alkali metal molybdenum bronzes of the type: A0.9Mo6O17 with A = Na, K and A0.3MoO3 where A = K, Rb, Cs have been grown by the temperature gradient flux technique. Impure polycrystalline specimens of K0.33MoO3 and MoO3 like phases which may be sodium and potassium intercalates respectively, have also been observed. Optimal growth conditions determined for each of the phases are reported. Na0.9Mo6O17 is monoclinic and a quasi two-dimensional metallic conductor at room temperature, similar to Li0.9Mo6O17 and K0.9Mo6O17. A mechanism for the formation of bronze phases is proposed based on X-ray powder diffraction and DTA results.

Original languageEnglish (US)
Pages (from-to)476-483
Number of pages8
JournalJournal of Crystal Growth
Volume70
Issue number1-2
DOIs
StatePublished - Jan 1 1984

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All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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