Vibrational Spectra of Ion–Molecular Carbonate Crystals in the Pretransition Region near Structural Phase Transitions
- Autores: Aliev A.R.1, Akhmedov I.R.1, Kakagasanov M.G.1, Aliev Z.A.1
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Afiliações:
- Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
- Edição: Volume 127, Nº 3 (2019)
- Páginas: 463-467
- Seção: Spectroscopy of Condensed States
- URL: https://ogarev-online.ru/0030-400X/article/view/166088
- DOI: https://doi.org/10.1134/S0030400X19090030
- ID: 166088
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Resumo
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.
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Sobre autores
A. Aliev
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Autor responsável pela correspondência
Email: amilaliev@rambler.ru
Rússia, Makhachkala, 367003
I. Akhmedov
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Email: amilaliev@rambler.ru
Rússia, Makhachkala, 367003
M. Kakagasanov
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Email: amilaliev@rambler.ru
Rússia, Makhachkala, 367003
Z. Aliev
Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences
Email: amilaliev@rambler.ru
Rússia, Makhachkala, 367003
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