Theory of the photoelastic effect in ZnO,ZnS and CdS crystals |
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| Authors: | Jai Shanker HP Sharma OP Sharma JC Sharma |
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| Institution: | Department of Physics, Agra College, Agra-282002, India |
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| Abstract: | It has been a general opinion that the Clausius-Mossotti dielectric theory is not capable of explaining the observed photoelastic behaviour of partially ionic crystals.However in the present communication we show that by making account of the variation of polarizabilities under compressive stress within the framework of the Clausius-Mossotti theory it is possible to obtain a reasonable agreement with experimental data on the photoelastic behaviour of ZnO, ZnS and CdS crystals. |
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