Abstract
Changes in the local-center luminescence spectrum initiated by structural defects in the TlGaS2 crystal are studied in the temperature range from 2 to 77 K and under a hydrostatic pressure up to 35 kbar. The effect of hydrostatic compression can be explained by the relative slipping of the two elementary layers comprising the layer stack, which results in a lowering of the symmetry of the cavities occupied by the thallium atoms.
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D. Müller and H. Hahn, Z. Anorg. Allg. Chem. 438, 208 (1978).
G. I. Abutalybov, V. F. Agekyan, S. V. Pogarev, et al., Fiz. Tverd. Tela (Leningrad) 29, 1436 (1987).
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Translated from Fizika Tverdogo Tela, Vol. 42, No. 1, 2000, pp. 23–24.
Original Russian Text Copyright © 2000 by Agekyan.
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Agekyan, V.F. Effect of temperature and uniform compression on local-center luminescence in TlGaS2 layered crystals. Phys. Solid State 42, 22–23 (2000). https://doi.org/10.1134/1.1131161
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DOI: https://doi.org/10.1134/1.1131161