Photodielectric Processes in ZnS : Cu Polycrystalline Layers |
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| Authors: | V. T. Avanesyan A. V. Rakina V. G. Pak M. M. Sychev |
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| Affiliation: | 1.Herzen State Pedagogical University of Russia,St. Petersburg,Russia;2.St. Petersburg State Technological Institute (Technical University),St. Petersburg,Russia |
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| Abstract: | The frequency dependences of dielectric parameters of zinc sulfide electroluminescent polycrystalline structures doped with copper are studied in the dark and under light excitation in the visible wavelength range. A positive photodielectric effect most pronounced in the low-frequency range was revealed. The experimental results are explained within framework of formation of a space charge in the bulk of a semiconductor. The analysis of data indicates they can be correlated with luminance characteristics of an electroluminescent layer. |
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