Biancun Xie, Madhavan Swaminathan, et al.
EMC 2011
We identify polytope models of tetrahedrally bonded amorphous semiconductors with the ideal covalently bonded Si regions of a-Si. For these regions we calculate the optical absorption spectrum and find a relatively weak absorption edge. Disorder-enhanced absorption is a result of localized states. Within the context of a quantum well model the energy dependent optical matrix element is related to well size. © 1983.
Biancun Xie, Madhavan Swaminathan, et al.
EMC 2011
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Physical Review B
P. Alnot, D.J. Auerbach, et al.
Surface Science
J.A. Barker, D. Henderson, et al.
Molecular Physics