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Electrical Transport Properties of Semiconducting Lithium Molybdate Glass Nanocomposites

Electrical Transport Properties of Semiconducting Lithium Molybdate Glass Nanocomposites

S Bhattacharya, A Ghosh

J Chem Phys. 2007 Nov 21;127(19):194709.

PMID: 18035900

Abstract:

We have reported the formation of lithium molybdate glass nanocomposites embedded with lithium molybdate nanophases from the x-ray diffraction and transmission electron microscopic studies. We have investigated the dc electrical conductivity in a wide temperature range for these glass nanocomposites, which exhibit semiconducting behavior. We have analyzed the dc electrical data in the light of polaronic conduction models of Mott and Schnakenberg. We have also studied ac electrical conductivity of these glass nanocomposites in wide temperature and frequency ranges. The experimental ac results have been analyzed with reference to various theoretical models based on quantum-mechanical tunneling and hopping over the barrier. We have observed that the temperature dependence of the dc conductivity is consistent with the polaronic hopping models, while the temperature and frequency dependence of the ac conductivity is consistent with the polaronic tunneling models.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP13568406	Lithium molybdate		13568-40-6	Price

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