Vibrational Spectra of Ion–Molecular Carbonate Crystals in the Pretransition Region near Structural Phase Transitions


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Аннотация

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.

Авторлар туралы

A. Aliev

Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: amilaliev@rambler.ru
Ресей, Makhachkala, 367003

I. Akhmedov

Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences

Email: amilaliev@rambler.ru
Ресей, Makhachkala, 367003

M. Kakagasanov

Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences

Email: amilaliev@rambler.ru
Ресей, Makhachkala, 367003

Z. Aliev

Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences

Email: amilaliev@rambler.ru
Ресей, Makhachkala, 367003

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