Abstract
The usefulness of Raman spectroscopy as a powerful non-contact, nondestructive analytical tool has been well-demonstrated. A bird’s eye-view of various techniques used for the study of various types of structural phase transitions is given. A few modern applications of laser Raman spectroscopic studies have been mentioned. Thermal variations near critical transition region in the position, halfwidths, intensities and shapes of few thermo-sensitive bands in a few organic and inorganic salts and complexes have been used to deduce the critical exponents β and the activation energyU for orientational disorder of NCS− ions and CH3NH3 type groups.
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Bist, H.D. Laser Raman spectroscopy and its applications — especially in structural phase transitions. Proc. Indian Acad. Sci. (Chem. Sci.) 103, 295–304 (1991). https://doi.org/10.1007/BF02842086
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DOI: https://doi.org/10.1007/BF02842086