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Molecular hydrogen in a-si:H
Authors:Fedders  Leopold  Chan  Borzi  Norberg
Institution:Department of Physics, Washington University, St. Louis, Missouri 63130, USA.
Abstract:It is demonstrated that in high quality hydrogenated amorphous silicon films nearly 40% of the contained hydrogen is in the form of hydrogen molecules individually trapped in the amorphous equivalent of tetragonal T sites. The majority of these molecular hydrogens are in the less-clustered component of the contained hydrogen. These results could have major implications for the understanding of light-induced defects and hydrogen mobility.
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