The bulk photovoltaic effect in photorefractive K1-xLixTa1-yNbyO3 crystals |
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| Authors: | Gabby Bitton Refael Dela Pergola V. M. Fridkin Aharon J. Agranat |
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| Affiliation: | a Department of Applied Physics, The Hebrew University of Jerusalem, Jerusalem, Israelb Institute of Crystallography of the Russian Academy of Science, Moscow, Russia |
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| Abstract: | Experimental evidence of the bulk photovoltaic effect in photorefractive K1-xLixTa1-xNbyO3 (KLTN) crystals is shown. The dependence of the bulk photovoltaic effect on the pbotorefractive impurities type is presented. The current voltage characteristic is presented for different temperatures. It was found that, in Fe-doped KLTN crystals at low temperature, the bulk photovoltaic effect is the dominant transport mechanism contributing to the photorefractive process. |
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| Keywords: | Photovoltaic effect Photorefractive effect Photoconductivity |
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