DC Electrical Conductivity Studies of GeO2 Doped Lead Vanadate Glass System - New Journal of Glass and Ceramics

NJGC > Vol.7 No.3, July 2017

DC Electrical Conductivity Studies of GeO₂ Doped Lead Vanadate Glass System ()

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DOI: 10.4236/njgc.2017.73005 1,210 Downloads 2,197 Views

Author(s)

P. Tejeswararao^1*, D. L. Sastry²

Affiliation(s)

¹Department of Physics, GITAM Institute of Science and Technology, GITAM University, Visakhapatnam, India.
²Department of Physics, Andhra University, Visakhapatnam, India.

ABSTRACT

Temperature dependent DC electrical conductivity studies of GeO2 substituted lead vanadate glass systems xGeO₂(50-x)PbO:50V₂O₅ (x = 5, 10, 15 mole%) were carried out and the results are reported. X-ray diffraction results reveal that all samples are perfect amorphous in nature. DSC results indicate that the substituent GeO₂ is replacing PbO in the glass network in such a way that the eutectic composition is maintained. DC electrical conductivity studies of the glass samples indicate that the systems are characterized by different activation energies in different temperature ranges which in turn depend on the annealing temperature. These results are interpreted in terms of temperature dependent microstructural changes in these glass systems.

KEYWORDS

XRD, DSC, DC Conductivity, Semiconducting Glasses

Share and Cite:

Tejeswararao, P. and Sastry, D. (2017) DC Electrical Conductivity Studies of GeO₂ Doped Lead Vanadate Glass System. New Journal of Glass and Ceramics, 7, 49-57. doi: 10.4236/njgc.2017.73005.

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