Steady-state photoconductivity in a-Si:H prepared by d.c. magnetron methods
- 1 October 1986
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Part B
- Vol. 54 (4) , 255-272
- https://doi.org/10.1080/13642818608239027
Abstract
The exponent γ in the intensity dependence depends on temperature in the usual Rose model format. However, the characteristic temperature depends not just on the steepness of the tail states but on the positions of the dark and quasi-Fermi levels. Values of γ below 1/2 are then allowed. Many estimates of tail-state densities reported up until now are probably too steep as they have misinterpreted this characteristic temperature.Keywords
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