Abstract
The crystal growth morphology of modifications IV, III, II, and I during the IV ↔ III ↔ II ↔ I polymorphic transformations in Rb0.975Cs0.025NO3 has been investigated by optical microscopy. The equilibrium temperatures between phases IV and III (T 0 = 393 ± 0.5 K), III and II (T 0 = 421 ± 0.5 K), and II and I (T 0 = 497 ± 0.5 K) of the crystal studied have been determined. It is established that these transformations are of the single crystal ↔ single crystal type and occur with the formation and growth of new-crystal nuclei in crystalline matrices.
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Dedicated to the memory of N.V. Belov
Original Russian Text © V.I. Nasirov, A.F. Khazieva, Yu.G. Asadov, 2011, published in Kristallografiya, 2011, Vol. 56, No. 6, pp. 1146–1150.
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Nasirov, V.I., Khazieva, A.F. & Asadov, Y.G. Polymorphic single crystal ↔ single crystal transformations in Rb0.975Cs0.025NO3 . Crystallogr. Rep. 56, 1077–1081 (2011). https://doi.org/10.1134/S1063774511050208
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DOI: https://doi.org/10.1134/S1063774511050208