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Current voltage characteristics of α-quartz

Published online by Cambridge University Press:  15 June 1998

I. Enculescu*
Affiliation:
National Institute of Materials Physics, PO Box MG-7, 76900 Bucharest-Magurele, Romania
B. Iliescu
Affiliation:
National Institute of Materials Physics, PO Box MG-7, 76900 Bucharest-Magurele, Romania
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Abstract

Dc conductivity measurements for Z-cut natural quartz plates, at different temperatures and values of the applied electric field were made. The evolution of I−V characteristics shapes is studied for electrodiffusion times up to 100 h (in interstitial alkali ions transport region). The non-ohmic behavior is discussed and is considered to be due to the space charge produced by the uncompensated Al3+ ions substitutional for Si4+.

Keywords

Type
Research Article
Copyright
© EDP Sciences, 1998

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