An effective-mass model of hydrogenated amorphous silicon (a-Si:H) is proposed. This model focuses upon the impact of hydrogen on the electronic structure of the tail states. Tail state density-of-states calculations are performed in the high hydrogen concentration limit, and the results are found to be in general agreement with present experimental data. These results are shown to be quite robust to variations in the modeling parameters.
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O’Leary et al. (1992) studied this question.
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