The theory of infrared dispersion of light in crystals with chalcopyrite lattice |
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| Authors: | A S Poplavnoi V G Tyuterev |
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| Institution: | (1) V. D. Kuznetsov Siberian Physicotechnical Institute, Tomsk State University, USSR;(2) Kemerovo State University, USSR |
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| Abstract: | The low-frequency dielectric tensor is calculated for AIIBIVC
2
V
and AIBIIIC
2
VI
crystals in terms of the long-wave frequencies of lattice vibrations, corresponding to various orientations of the wave vector. The qualitative shape of the spectrum of mechanical polaritons is obtained. The coefficient of light reflection is calculated as a function of the frequency and direction of propagation for a CdGeP2 crystal.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 39–43, June, 1978. |
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