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

V. Smirnov, S. Reynolds, C. Main, F. Finger, R. Carius

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    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.

    Original languageEnglish
    Pages (from-to)2337-2340
    Number of pages4
    JournalJournal of Non-Crystalline Solids
    Volume354
    Issue number19-25
    DOIs
    Publication statusPublished - 1 May 2008

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