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Meeting Materials Science & Technology 2019
Symposium Nanotechnology for Energy, Environment, Electronics, Healthcare and Industry
Presentation Title Electrical Properties of Samarium Substituted Cobalt Nano- ferrites for Energy Applications
Author(s) Ravinder D. Dachepalli
On-Site Speaker (Planned) Ravinder D. Dachepalli
Abstract Scope Samarium substituted Cobalt Nano ferrites with chemical formula Co SmX Fe2-X O4 (where X=0.0, 0.010, 0.030, 0.050, 0.070 0.090 and 0.10) were synthesized by the citrate-gel auto combustion method. Synthesized powders were sintered at 500C for four hours in air and characterized by XRD, SEM, EDS and TEM. X-ray diffraction (XRD) analysis showed cubic spinel structure of the ferrites. Thermoelectric power studies of prepared samples were carried out from room temperature to well beyond Cuire temperature with a differential method. The Seebeck coefficient variation with temperature was studied and it shows the prepared samples are n-type semiconducting nature. The dielectric properties of the samples were studied as a function of frequency in the range of 50Hz to 5 MHz at room temperature using Agilent E4980 were studied. The observed result can be explained on the basis of conduction mechanism. The above nano-materials are having thermoelectric power applications.
Proceedings Inclusion? Planned: At-meeting proceedings

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