Polymorphic single crystal ↔ single crystal transformations in Rb0.975Cs0.025NO3

The crystal growth morphology of modifications IV, III, II, and I during the IV ↔ III ↔ II ↔ I polymorphic transformations in Rb 0.975 Cs 0.025 NO 3 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...

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Bibliographic Details
Published in:Crystallography reports 2011-11, Vol.56 (6), p.1077-1081
Main Authors: Nasirov, V. I., Khazieva, A. F., Asadov, Yu. G.
Format: Article
Language:English
Subjects:
Crystal Growth
Crystallography and Scattering Methods
Physics
Physics and Astronomy
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Summary:The crystal growth morphology of modifications IV, III, II, and I during the IV ↔ III ↔ II ↔ I polymorphic transformations in Rb 0.975 Cs 0.025 NO 3 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.
ISSN:1063-7745
1562-689X
DOI:10.1134/S1063774511050208