Photoinduced structural change in the defects in a hydrogenated amorphous silicon
Petukhov A. G., Radchik A. V., Foigel' M. G.
A complex consisting of two, closely spaced, electrically neutral defects of the "broken-bond" type in я-Si:H is unstable with respect to the pairing of electrons at one of the defects. As a result of photoexcitation, the complex undergoes a transition to the metastable state with unpaired spins which are localized at different defects.
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![](/ps/1470/article_22415_800_head.png "A complex consisting of two, closely spaced, electrically neutral defects of the "broken-bond" type in я-Si:H is unstable with respect to the pairing of electrons at one of the defects. As a result of photoexcitation, the complex undergoes a transition to the metastable state with unpaired spins which are localized at different defects.")