• B A Mulla

      Articles written in Journal of Chemical Sciences

    • Structural, electrical and reflectance studies of the system ZnMn2-2xNixTixO4

      B A Mulla V S Darshane

      More Details Abstract Fulltext PDF

      X-ray, electrical conductivity and reflectance studies of the system ZnMn2-2xNixTixO4 have been carried out. The system is tetragonal in the range 0 ≤x ≤ 0.25 and cubic in the range 0.5 ≤x ≤ 1. Electrical resistivity temperature behaviour obeys Wilson’s law for all the compounds and the thermoelectric coefficient values vary between 325 and-290 μV/K. The activation energy and pRT decrease gradually with increase in concentration of charge carriers atB-site except for ZnNiTiO4. Reflectance spectral studies indicate the presence of Ni2+ at the octahedral site.

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