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

K. V. Ramanujachary; M. Greenblatt; W. H. McCarroll

doi:10.1016/0022-0248(84)90305-1

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

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

Chemistry

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

Single crystals of alkali metal molybdenum bronzes of the type: A_0.9Mo₆O₁₇ with A = Na, K and A_0.3MoO₃ where A = K, Rb, Cs have been grown by the temperature gradient flux technique. Impure polycrystalline specimens of K_0.33MoO3 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. Na_0.9Mo6O₁₇ is monoclinic and a quasi two-dimensional metallic conductor at room temperature, similar to Li_0.9Mo₆O₁₇ and K_0.9Mo₆O₁₇. A mechanism for the formation of bronze phases is proposed based on X-ray powder diffraction and DTA results.

Original language	English (US)
Pages (from-to)	476-483
Number of pages	8
Journal	Journal of Crystal Growth
Volume	70
Issue number	1-2
DOIs	https://doi.org/10.1016/0022-0248(84)90305-1
State	Published - Dec 1984

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Inorganic Chemistry
Materials Chemistry

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title = "Crystal growth of alkali metal molybdenum bronzes by a temperature gradient flux technique",

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.",

author = "Ramanujachary, {K. V.} and M. Greenblatt and McCarroll, {W. H.}",

year = "1984",

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T1 - Crystal growth of alkali metal molybdenum bronzes by a temperature gradient flux technique

AU - Ramanujachary, K. V.

AU - Greenblatt, M.

AU - McCarroll, W. H.

PY - 1984/12

Y1 - 1984/12

N2 - 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.

AB - 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.

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