We present an efficient analytical model for calculating the trapped-charge density as a function of Fermi energy based on two exponential regions for density-of-states distribution in hydrogenated amorphous silicon. In this efficient model, the trapped-charge density is calculated without numerical integration and without curve fitting as a function of Fermi energy. Comparisons between the analytical and the numerical models have been made and excellent agreement has been obtained. Such a model is useful as an aid to study the impact on the performance of amorphous-silicon devices such as thin-film transistors.
|Number of pages||4|
|Journal||IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems|
|State||Published - Jun 1994|