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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Are both thermal and light-induced annealing of metastable defects in a-Si:H driven by electrons?

Gleskova, Helena and Wagner, S. (1995) Are both thermal and light-induced annealing of metastable defects in a-Si:H driven by electrons? Journal of Non-Crystalline Solids, 190 (1-2). pp. 157-162. ISSN 0022-3093

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Abstract

Results of a search for a unifying rate law for the annealing of metastable defects in hydrogenated amorphous silicon (a-Si:H) are reported. The hypothesis that defect annealing by both heating or illumination is driven by the density of free electrons was tested. This hypothesis is formulated via the rate equation , where N is the defect density, t is the time, A is a constant, n is the free electron density and f(T) is a function of temperature derived from a distribution of annealing energies. The model fits two sets of data, with light-intensity and electrical conductivity as the independent variables, reasonably well, with ranging from 0.39 to 0.76, but not the third set, where the temperature was varied.