An analysis of the distributions of electronic states associated with hydrogenated amorphous silicon |
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Authors: | Saad?M?Malik Email author" target="_blank">Stephen?K?O’LearyEmail author |
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Affiliation: | (1) Faculty of Engineering, University of Regina, Regina, Saskatchewan, Canada, S4S 0A2 |
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Abstract: | We study the distributions of conduction band and valence band electronic states associated with hydrogenated amorphous silicon. We find that there are substantial deviations from square-root distributions of electronic states, particularly deep within the bands and within the gap region. We clearly identify where these distributions of electronic states exhibit square-root functional dependencies by fitting square-root functional forms to some experimental data. The corresponding DOS effective masses are determined, and are found to be about 2 to 4 times greater than the crystalline silicon case. |
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