RELATION BETWEEN CONTACT POTENTIAL AND PLANAR CONDUCTION AS a-Si:H FILMS UNDERGO GAS ADSORPTION OR TEMPERATURE CHANGES.

J. Abelson, G. de Rosny

Research output: Contribution to journalArticle

Abstract

When the free surface of an amorphous silicon thin film is exposed to water vapor, the contact potential and planar conductance simultaneously change. For three samples, we correlate the two measurements and interpret them in terms of adsorbate induced changes of the surface potential, similar to field effect experimental analysis. During temperature cycles, there is a strong correlation between non-linear portions of the log conductance versus 1/T plots and the variation of the contact potential.

Original languageEnglish (US)
Pages (from-to)993-1003
Number of pages11
JournalJournal de physique Paris
Volume44
Issue number8
DOIs
StatePublished - Jan 1 1983
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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