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- 1. J. Appl. Phys. 99, 063509 (2006) , “On the origin of the Staebler-Wronski effect”, Thomas KrügerThe parametrization of our recently proposed model of the Staebler-Wronski effect (SWE) is improved, which leads to an even better agreement with the experimental photoconductivity of light-soaked a-Si:H. The numerical solution of the essential equation exhibits well the typical SWE behavior,... (Read more)
- 2. Phys. Rev. B 74, 085201 (2006) , “Hydrogen dynamics and light-induced structural changes in hydrogenated amorphous silicon”, T. A. Abtew and D. A. DraboldWe use accurate first-principles methods to study the network dynamics of hydrogenated amorphous silicon, including the motion of hydrogen. In addition to studies of atomic dynamics in the electronic ground state, we also adopt a simple procedure to track the H dynamics in light-excited states.... (Read more)
- 3. Phys. Rev. Lett. 88, 205502 (2002) , “Metastability of Amorphous Silicon from Silicon Network Rebonding”, R. Biswas, B. C. Pan, and Y. Y. YeWe propose a network rebonding model for light-induced metastability in amorphous silicon, involving bonding rearrangements of silicon and hydrogen atoms. Nonradiative recombination breaks weak silicon bonds and generates dangling bond–floating bond pairs, with very low activation energies. The... (Read more)
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Updated at 2010-07-20 16:50:39
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