Preparation and electrical properties of nanostructured spinel ZnCr2O4 by combustion route |
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| Authors: | S. V. Bangale S. R. Bamane |
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| Affiliation: | 1. Metal Oxide Research Laboratory, Department of Chemistry, Dr. Patangrao Kadam Mahavidyalaya, Sangli, 416416, Maharashtra, India
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| Abstract: | Semiconductive nanometer-sized ZnCr2O4 material synthesized by a solution combustion method using inorganic reagents as Zn(NO3)3·6H2O, Cr(NO3)3·6H2O, and glycine as a fuel. This process is a convenient, environment friendly, inexpensive and efficient for the preparation of ZnCr2O4 nanomaterial. The synthesized material is characterized by thermo gravimetric differential analysis, X-ray diffraction studied, energy dispersive X-ray microanalysis studies and transmission electron microscopy techniques. The increase in conductivity with increasing temperature could be attributed to negative temperature coefficient of resistance and semiconducting nature of ZnCr2O4. |
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