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Mechanism of surface conduction in alkali halides

Both surface and bulk conductivity measurement have been simultaneously performed in NaCl single crystals cantaining Ca 2− of 10 ppm purity in the temperature range of 200–650 °C. The experimental results have been analyzed in terms of a double layer near the crystal surface. The formation energy of...

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Bibliographic Details
Published in:Solid state ionics 1995-07, Vol.79, p.315-318
Main Authors: Fukai, Akira, Asechi, Hiroshi, Nakagawa, Kazuhisa
Format: Article
Language:English
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Summary:Both surface and bulk conductivity measurement have been simultaneously performed in NaCl single crystals cantaining Ca 2− of 10 ppm purity in the temperature range of 200–650 °C. The experimental results have been analyzed in terms of a double layer near the crystal surface. The formation energy of positive ion vacancy at the surface is found to be 0.57 eV.
ISSN:0167-2738
1872-7689
DOI:10.1016/0167-2738(95)00080-P