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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.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.proeng.2014.12.488
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- Category:
- Conference activity
- Type:
- materiały konferencyjne indeksowane w Web of Science
- Published in:
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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
Referenced datasets
- dataset Linear impedance of 35P2O5-30Fe2O3-20Nb2O5-15TiO2
- dataset Linear impedance of 35P2O5-30Fe2O3-27.5Nb2O5-7.5TiO2
- dataset High temperature linear impedance of 35P2O5-30Fe2O3-27.5Nb2O5-7.5TiO2
- dataset Nonlinear high temperature impedance of 35P2O5-30Fe2O3-27.5Nb2O5-7.5TiO2 glass
- dataset Nonlinear high temperature impedance of 35P2O5-30Fe2O3-35Nb2O5 glass
- dataset High temperature linear impedance of 35P2O5-30Fe2O3-25Nb2O5-15TiO2
- dataset Topography and microstructure of phosphate-iron glasses containing niobium and titanium
- dataset Linear impedance of 35P2O5-30Fe2O3-35Nb2O5
- dataset High temperature linear impedance of 35P2O5-30Fe2O3-35Nb2O5
- dataset Topography of iron-phosphate glasses doped with niobium and titanium tested by confocal microscope
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