Over the last few years, a great deal of interest has been developed in the materials belonging to the nickel-sulphur system (Fig. 1) (LIN et al.), since their electrical and magnetic properties are technologically useful. Nickel sulphide Ni& belongs to this group (KULLERUD, WD) . Literature survey revealed that Ni3S2 synthesized by different methods exhibits numerous inconsistent results with regard to the thermal stability, structure and physical properties of Ni3Sz (RAU; CONARD et al.; KULLERUD, VUND). However the electrical conductivity studies on Ni3S2 in the high temperature region is not reported. The purpose of the present paper is to report the low temperature crystallization process, XRD, EDX, TG, and electrical conductivity characteristics of Ni3S2.
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