Journal of Electromagnetic Analysis and Applications

Volume 3, Issue 1 (January 2011)

ISSN Print: 1942-0730   ISSN Online: 1942-0749

Google-based Impact Factor: 0.55  Citations  h5-index & Ranking

Correlation of Magnetoresistance and Thermoelectric Power in La1-xLixMnOy Compounds

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DOI: 10.4236/jemaa.2011.31005    5,185 Downloads   9,177 Views  Citations

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ABSTRACT

The temperature dependences of the thermoelectric power, TEP, (S) and magnetoresistance (MR) effect of La1-xLixMnOy (x = 0.05, 0.1, 0.15, 0.2 & 0.25 at %) fixed valence doped compounds were studied between 80K and 320K. X-ray powder diffraction (XRD) showed that the samples are single phase. We found the correlation of structures to the mag-netoresistance (MR) and the thermoelectric power (S) which we assigned to change the specific branches of the magnon /phonon spectra with x. We also observed a splitting of the Curie and the metal insulating temperature TC > Tms.

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A. Ahmed, A. Saad and M. Ahmed, "Correlation of Magnetoresistance and Thermoelectric Power in La1-xLixMnOy Compounds," Journal of Electromagnetic Analysis and Applications, Vol. 3 No. 1, 2011, pp. 27-32. doi: 10.4236/jemaa.2011.31005.

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