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Characterisation of the Surface Conductivity of Glassy Materials by Means of Impedance Spectroscopy Measurements by Claudio Fontanesi; Cristina Leonelli; Tiziano Manfredini; Cristina Siligardi; Gian Carlo Pellacani is a Materials Science article available to read on EtoBox.
What is Characterisation of the Surface Conductivity of Glassy Materials by Means of Impedance Spectroscopy Measurements about?
The phenomenon of tin dioxide doping by antimony, Sb( V), atoms in semiconductive glazes is discussed. In particular, the impedance spectra of the glaze surface at room temperature were experimentally determined, and the results were analysed in terms of equivalent circuits. The parameters resulting from the fitting procedure were related to the SnOzjSb( V) relative content, the SnOzjSb (V) percentage in the glaze, and the microstructure as observed by SEM. It is proposed that the addition of SnOz and SbzOs to a common glaze for ceramic tile results in a semiconductive continuous phase, whose electrical characteristics fulfil the antistatic floor regulation, as far as surface conductivity is concerned. As a whole the obtained results suggest that the thermal cycle used in fast$ring technology is capable to promote the oxidation of Sbz03 to Sbz04, resulting in a sujicient amount of Sb( V) capable of generating a semiconductive behaviour of the SnOz crystalline phase dispersed in the glaze.
Who reads Characterisation of the Surface Conductivity of Glassy Materials by Means of Impedance Spectroscopy Measurements?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Claudio Fontanesi; Cristina Leonelli; Tiziano Manfredini; Cristina Siligardi; Gian Carlo Pellacani
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0955-2219)
- Published
- 1998
- Language
- EN
- Field
- Materials Science (Physical Sciences)