Thermoelectric power of Mg Zn-Ferrites. | [Journal of Research Science • 2003]

Author(s):

1. M. U. Islam: Department of Physics, Bahauddin Zakariya University, Multan, Pakistan

2. A. Y. Abbsi: Department of Physics, Bahauddin Zakariya University, Multan, Pakistan

3. T. Abbas: Department of Physics, Bahauddin Zakariya University, Multan, Pakistan

4. M. A. Chaudhry: Department of Physics, Bahauddin Zakariya University, Multan, Pakistan

5. A. Zubair Chaudhry: Department of Physics, Bahauddin Zakariya University, Multan, Pakistan

Abstract:

Zinc substituted ferrites with general formula Mg(1-X) Znx Fe2O4 (where X=0.0, 0.25, 0.5, 0.75, 1.0) were prepared by ceramic technique. The thermoelectric power was measured by differential methods in the temperature range 30-200oC. It was observed that both n and p-type carriers were responsible for conduction in these materials. Sample for which X=0.0 shows p-type behavior and that with X=0.25 shows an n-type behavior throughout the temperature range mentioned above. The samples with X=0.5, 0.75, 1.0 show n-type behavior. It was observed that all the samples are degenerate type semi-conductors.

Page(s): 103-107

DOI: DOI not available

Published: Journal: Journal of Research Science, Volume: 14, Issue: 1, Year: 2003

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