Investigation of cation-deficient quaternary thiospinels: Single crystal study of Ag1.4Cr1.47Sn2.53S8

Gunjan Garg, Shalabh Gupta, Kandalam V. Ramanujachary, Samuel E. Lofland, Ashok K. Ganguli

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    Single crystals of the quaternary thiospinel Ag1.41(1)Cr 1.47(5)Sn2.52(5)S8 have been obtained by heating stoichiometric mixtures of elemental metals and sulfur at 750 °C. Structural analysis by single crystal X-ray diffraction shows that the above phase crystallizes in the Fd3̄m space group with a = 10.4142(3) Å (R1 = 0.0156 and wR2 = 0.0416). The Ag-deficiency has been confirmed by solving the structures of crystals prepared in different batches and was observed to vary slightly between crystals. Magnetic studies on a monophasic powder sample with a nominal composition of Ag 1.63CrSn3S8 indicates anti-ferromagnetic ordering at low temperature. The high temperature susceptibility leads to a magnetic moment of 3.45 B.M. suggesting that chromium exists predominantly in a trivalent state.

    Original languageEnglish (US)
    Pages (from-to)46-50
    Number of pages5
    JournalJournal of Alloys and Compounds
    Issue number1-2
    StatePublished - Mar 22 2005

    All Science Journal Classification (ASJC) codes

    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry

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