Influence of an electric field on photostimulated states in NH4BPh4 films |
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| Authors: | O V Antonova V A Nadolinny E A Il’inchik S V Trubin |
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| Institution: | 1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Lavrentieva 3, Novosibirsk, 630090, Russia
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| Abstract: | The influence of an electric field on stable photostimulated triplet states of NH4BPh4 at a temperature of 77 K have been studied by EPR spectroscopy. It has been established that, on exposure to UV radiation, electron capture by traps in the band gaps takes place with formation of triplet state. After application of an electric field, triplet states are destructed because, with an increase in the applied voltage, a gradual inclination of energy bands takes place and electrons found in traps on different energy levels are released. The assumption that captured electrons are found in traps on different energy levels is confirmed by earlier studies of thermoluminescence spectra. |
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