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Thermally stimulated currents in thin silicon films arising from atmospheric effects without light exposure

Thermally stimulated currents in thin silicon films arising from atmospheric effects without light exposure

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Original languageEnglish
Pages2337-2340
Number of pages4
JournalJournal of Non-Crystalline Solids
Journal publication date1 May 2008
Journal number19-25
Volume354
DOIs
StatePublished

Abstract

A study of the effects of atmospheric adsorption on conductivity of thin silicon films upon heating is presented. A phenomenon is observed without illumination of the sample, that is similar to light-induced thermally stimulated current except no exciting light is applied. The effect is greatly reduced if the sample is annealed prior to cooling. A model involving electrostatic effects coupled with desorption is presented to account for this. (c) 2007 Elsevier B.V. All rights reserved.

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