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Impedance Studies of Phosphate-iron Glasses Containing Niobium and Titanium

Abstract

The ac and dc conductivity in phosphate-iron-niobate glasses with addition of titanium oxide was investigated as a function of temperature and frequency with the use of impedance spectroscopy. The topography and microstructure of glasses were investigated by the means of X-ray diffraction (XRD), scanning electron microscopy (SEM), and confocal microscopy methods. The obtained results show that all samples are amorphous but they contain granular structures. The influence of titania on the properties of obtained glasses is discussed. The activation energy of dc conduction process is determined. The experimental results are discussed on the basis of Jonscher law and conductivity models collected by Elliot.

Citations

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Keywords

Details

Category:
Conference activity
Type:
materiały konferencyjne indeksowane w Web of Science
Published in:
Procedia Engineering no. 98, pages 56 - 61,
ISSN: 1877-7058
Title of issue:
11th International Symposium on Systems with Fast Ionic Transport (ISSFIT) strony 56 - 61
ISSN:
1877-7058
Language:
English
Publication year:
2014
Bibliographic description:
Wójcik N., Lenarciak A., Karczewski J., Gazda M., Barczyński R..: Impedance Studies of Phosphate-iron Glasses Containing Niobium and Titanium, W: 11th International Symposium on Systems with Fast Ionic Transport (ISSFIT), 2014, ,.
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.proeng.2014.12.488
Verified by:
Gdańsk University of Technology

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