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Photostimulated phenomena in relaxors |
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| Authors: | R F Mamin S A Migachev M F Sadykov I V Lunev V V Izotov Yu A Gusev |
| Institution: | (1) Zavoiskii Physicotechnical Institute, Kazan Scientific Center, Russian Academy of Sciences, Sibirskii trakt 10/7, Kazan 29, 420029 Tatarstan, Russia;(2) Kazan State University, ul. Lenina 18, Kazan, 420008 Tatarstan, Russia |
| Abstract: | The action of illumination on the conducting and dielectric properties of lead magnoniobate was investigated. The photostimulated currents were examined and the spectral dependence of photoconductivity in the region of diffuse phase transition was obtained. It was found that the illumination affects the dielectric properties and that its action is memorized at temperatures below room temperature. The role of defect states in the formation of relaxor properties is discussed on the basis of the obtained data. |
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