Crystal structure transformations during phase transitions in homologues of n-alkanes: C23H48, C24H50, C25H52 as revealed by FT-IR spectroscopy

Autor: L. P. Myasnikova, B. Z. Volchek, S. A. Gur’eva, V. A. Marikhin, D. A. Medvedeva
Rok vydání: 2019
Předmět:
Zdroj: Journal of Physics: Conference Series. 1400:055040
ISSN: 1742-6596
1742-6588
DOI: 10.1088/1742-6596/1400/5/055040
Popis: The dependence of the IR absorption spectrum on the type of symmetry of crystallographic cells allowed us to investigate the kinetics of phase transitions. It is confirmed that the first order solid-phase transition develops by a heterogeneous mechanism in a narrow temperature range ΔT ⩾ 1 K.
Databáze: OpenAIRE