Mechanism of electrical polarization of silica glass

When an electrical potential is applied to silica glass at 250°C, there is a residual electrical field after the applied potential is removed. The profile of this field with distance is modeled as resulting from interdiffusion of sodium and hydronium ions; the shapes of the measured and calculated p...

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Bibliographic Details
Published in:Applied physics letters 2005-12, Vol.87 (23), p.232904-232904-2
Main Author: Doremus, Robert H.
Format: Article
Language:English
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Summary:When an electrical potential is applied to silica glass at 250°C, there is a residual electrical field after the applied potential is removed. The profile of this field with distance is modeled as resulting from interdiffusion of sodium and hydronium ions; the shapes of the measured and calculated profiles of electrical field agree reasonably well, showing that this model describes the mechanism of poling the glass.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2140090