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Influence of aluminium ions on physical properties of PbO-P2O5-As2O3 glasses

Published online by Cambridge University Press:  25 May 2006

G. Sahaya Baskaran ,
N. Krishna Mohan ,
V. Venkateswara Rao ,
D. Krishna Rao  and
N. Veeraiah
G. Sahaya Baskaran
Affiliation:
Department of Physics, Acharya Nagarjuna University Post Graduate Centre, Nuzvid – 521 201, India
N. Krishna Mohan
Affiliation:
Department of Physics, Acharya Nagarjuna University Post Graduate Centre, Nuzvid – 521 201, India
V. Venkateswara Rao
Affiliation:
Department of Physics, Acharya Nagarjuna University Post Graduate Centre, Nuzvid – 521 201, India
D. Krishna Rao
Affiliation:
Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar – 522 510, India
N. Veeraiah*
Affiliation:
Department of Physics, Acharya Nagarjuna University, Nagarjuna Nagar – 522 510, India
*
nvr8@rediffmail.com
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Abstract

PbO-P2O5-As2O3 glasses containing different concentrations of Al2O3 ranging from 0 to 5 mol% were prepared. Dielectric properties (viz., dielectric constant $\varepsilon{'}$, loss tan $\delta $ and a.c. conductivity $\sigma_{ac}$ over a moderately wide range of frequency and temperature and dielectric breakdown strength in air medium), optical properties (optical absorption, IR spectra and thermoluminescence) and differential thermal analysis have been studied. The interesting changes observed in these studies have been explained in the light of different structural groups of aluminium ions.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 34 , Issue 2: 15th International Colloquium on Plasma processes (CIP 2005) , May 2006 , pp. 97 - 106
Copyright
© EDP Sciences, 2006

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