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Nanocrystalline semiconducting NiZrO 3  is prepared via a modified combustion process. The X-ray diffraction pattern shows that the so formed nanopowder is single phase and has an orthorhombic structure. The crystalline size of the as-prepared powder determined using the Scherrer formulae is 22 nm. The UV–visible spectrum revealed that nano NiZrO 3  exhibited an intense absorption band in the ultra violet region and the calculated band gap is 4.25 eV, which suggest the material is a wide band gap semiconductor. The material shows good photo luminescence behaviour with intense emission in the blue region. The material is sintered at a temperature of 1220°C in a microwave furnace. Variation of dielectric properties of this material with frequency and temperature are also analyzed. This material shows good optical and dielectric properties which make it an ideal multi-functional material.

Synthesis and characterization of nano NiZrO 3 for optical and dielectric applications