Small polaron hopping conduction in ternary semiconducting CoO-NiO-P2O5 glasses

Rahim, A.S. and Majid, Siti Rohana and Tawati, D.M. (2011) Small polaron hopping conduction in ternary semiconducting CoO-NiO-P2O5 glasses. Materials Research Innovations, 15. pp. 46-48. ISSN 1432-8917

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Abstract

Five bulk samples of ternary semiconducting CoO-NiO-P2O5 were prepared by press quenching method from the glass melt. The small polaron conduction mechanism of these glasses at temperatures ranging from room temperature to 530 K was discussed based on the results of previous works. The condition for the formation of small polaron hopping in the adiabatic regime at T>theta(D)/2 (where theta(D) is the Debye temperature) can be explained in terms of the polaron bandwidth J.

Item Type: Article
Additional Information: Department of Physics, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: small polaron hopping of tmo glasses; adiabatic semiconducting oxide glasses; tmo glasses; electrical-conduction; oxide glasses; motion
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Dept of Physics
Depositing User: Miss Malisa Diana
Date Deposited: 17 Jul 2013 03:22
Last Modified: 27 Aug 2019 01:18
URI: http://eprints.um.edu.my/id/eprint/7678

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