Communications - Scientific Letters of the University of Zilina 2017, 19(3):46-50 | DOI: 10.26552/com.C.2017.3.46-50

Dielectric Study of Lithium and Sodium Borophosphate Glasses

Jana Mizerakova1, Peter Hockicko1, Francisco Munoz2
1 Department of Physics, Faculty of Electrical Engineering, University of Zilina, Slovakia
2 Ceramics and Glass Institute (CSIC), Kelsen, Madrid, Spain

Ionic conductivity and dielectric properties such as dielectric permittivity and loss tangent for the samples of lithium and sodium borophosphate glasses were investigated using the electrical conductivity measurements in the range of frequency from 10 Hz to 2 MHz and various temperatures below Tg. The measured data of ac conductivity were described according Jonscher's power law and experimental values of imaginary part of electric modulus were fitted by KWW function. From the fitted parameters, the activation energies for conduction and relaxation time were found which characterize the hopping processes and transport mechanism in these ion conducting glasses.

Keywords: borophosphate glasses; ionic conduction; dielectric properties; electric modulus formalism; relaxation time

Published: September 30, 2017  Show citation

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Mizerakova, J., Hockicko, P., & Munoz, F. (2017). Dielectric Study of Lithium and Sodium Borophosphate Glasses. Communications - Scientific Letters of the University of Zilina, 19(3), 46-50. doi: 10.26552/com.C.2017.3.46-50
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