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Morphological Study Of Voids In Ultra-Large Models Of Amorphous Silicon, Durga Prasad Paudel
Morphological Study Of Voids In Ultra-Large Models Of Amorphous Silicon, Durga Prasad Paudel
Dissertations
The microstructure of voids in pure and hydrogen-rich amorphous silicon (a:Si) network was studied in ultra-large models of amorphous silicon, using classical and quantum- mechanical simulations, on the nanometer length scale. The nanostructure, particularly voids of device grade ultra-large models of a:Si was studied, in which observed three-dimensional realistic voids were extended using geometrical approach within the experimental limit of void-volume fractions. In device-grade simulated models, the effect of void morphology; size, shape, number density, and distribution on simulated scattering intensities in small- angle region were investigated. The evolution of voids on annealing below the crystallization temperature …