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Origin And Structure Of The First Sharp Diffraction Peak Of Amorphous Solids, Devilal Dahal
Origin And Structure Of The First Sharp Diffraction Peak Of Amorphous Solids, Devilal Dahal
Dissertations
Several explanations have been reported in the literature about the origin of extended-range oscillations (EROs) in the atomic pair-correlation function of amorphous materials. Although the radial ordering beyond the short-range order of about 5 Å has been extensively studied in amorphous materials, the exact nature of the radial ordering beyond a nanometer is still not resolved. This dissertation address this problem and explains the nature of the EROs by using high-quality models of amorphous silicon (a-Si) obtained from Monte Carlo and Molecular Dynamics simulations. The extended-range ordering in a-Si is examined through radial oscillations on the length …