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Issue 2, 1999
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Cation partitioning in ternary vanadium sulfides2S4 (A=Ti, Cr, Fe, Ni)

Abstract

A combination of time-of-flight powder neutron diffraction and powder X-ray diffraction has been used to investigate changes in the cation distribution in a series of isostructural (space group I2/m a≈5.9, b≈3.3 c≈11.3Å, β≈92°) ternary vanadium sulfides, AV 2 S 4 (A=Ti, Cr, Fe, Ni). A progressive change from an inverse Cr 3 S 4 structure, when A is drawn from the left of the transition series, to a normal Cr 3 S 4 structure, when A is drawn from the right of the series, occurs. The magnetic susceptibility of all materials has a significant temperature-independent component and both spin-glass behaviour [A=Cr, T g =15(3) K] and long-range magnetic order [A=Fe, T N =135(3) K] are observed.

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Article type: Paper
DOI: 10.1039/A806469E
J. Mater. Chem., 1999,9, 485-492

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    Cation partitioning in ternary vanadium sulfides2S4 (A=Ti, Cr, Fe, Ni)

    A. V. Powell, D. C. Colgan and P. Vaqueiro, J. Mater. Chem., 1999, 9, 485
    DOI: 10.1039/A806469E

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