Vibrational Spectra of Ion–Molecular Carbonate Crystals in the Pretransition Region near Structural Phase Transitions
- Authors: Aliev A.R.1, Akhmedov I.R.1, Kakagasanov M.G.1, Aliev Z.A.1
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Affiliations:
- Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
- Issue: Vol 127, No 3 (2019)
- Pages: 463-467
- Section: Spectroscopy of Condensed States
- URL: https://ogarev-online.ru/0030-400X/article/view/166088
- DOI: https://doi.org/10.1134/S0030400X19090030
- ID: 166088
Cite item
Abstract
Molecular relaxation processes in lithium (Li2CO3), sodium (Na2CO3), and potassium (K2CO3) carbonates are studied by Raman spectroscopy. It is found that the first-order structural phase transition in Li2CO3, Na2CO3, and K2CO3 carbonate crystals is extended. The existence of a pretransition region in the studied Li2CO3, Na2CO3, and K2CO3 carbonates is demonstrated.
About the authors
A. R. Aliev
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Author for correspondence.
Email: amilaliev@rambler.ru
Russian Federation, Makhachkala, 367003
I. R. Akhmedov
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Email: amilaliev@rambler.ru
Russian Federation, Makhachkala, 367003
M. G. Kakagasanov
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Email: amilaliev@rambler.ru
Russian Federation, Makhachkala, 367003
Z. A. Aliev
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Email: amilaliev@rambler.ru
Russian Federation, Makhachkala, 367003
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