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Abstract
The influence of thin gold electrodes on the electrical measurements of glasses at high temperatures was studied using impedance spectroscopy. The impedance was measured several times over a wide frequency range from 10 mHz to 1 MHz and the temperature ranged from 213 to 673 K under air and nitrogen atmospheres. The results showed a drop in the conductivity of more than an order of magnitude at a temperature around 603 K during heating. An additional relaxation process was found at the low-frequency region. The occurred process was correlated with the thermal disintegration of the gold nano-layer used as an improvement in the electrical contact. The possible ambiguous interpretation of high-temperature impedance spectra was presented as a consequence of performing the electrical measurements only during heating or cooling while using unstable thin gold electrodes. Moreover, a possible solution to this problem was proposed.
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- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/coatings12060784
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Coatings
no. 12,
ISSN: 2079-6412 - Language:
- English
- Publication year:
- 2022
- Bibliographic description:
- Wójcik N., Barczyński R.: The Influence of Thin Gold Electrodes on the High-Temperature Impedance of Oxide Glasses// Coatings -Vol. 12,iss. 6 (2022), s.784-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/coatings12060784
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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