A polycrystalline sample of lithium tungstate Li2WO4 was prepared by solid-state reaction technique. A preliminary X-ray structural study of the compound reveals the formation of a single-phase orthorhombic compound at room temperature. Detailed studies of dielectric constant as a function of temperature and frequency suggest that the compound undergoes two phase transitions at 5°C and 100°C. Variation of dc resistivity with temperature shows that the conductivity of the material increases with the increase in temperature.
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Sharma et al. (1999) studied this question.
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