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JOURNALS // Optics and Spectroscopy // Archive

Optics and Spectroscopy, 2020 Volume 128, Issue 12, Pages 1837–1841 (Mi os222)

This article is cited in 2 papers

Spectroscopy of condensed matter

Temperature and concentration dependences of the Landau–Placzek ratio in aqueous solutions of $\gamma$-picoline

L. M. Sabirova, F. R. Ismailova, Sh. A. Kadirovb, Sh. E. Karshibaeva

a Samarkand State University
b Urgench State University

Abstract: Ratios of the intensities of the fine-structure components at molecular light scattering (Landau–Placzek ratios) have been investigated depending on the concentration and temperature in aqueous solutions of $\gamma$-picoline. A complex dependence of the ratio of the fine-structure intensities on the concentration and temperature is revealed, which is due to structural processes occurring in the aqueous solutions.

Keywords: intensity ratio, fine structure, Landau–Placzek ratio, structure, phase transition, isothermal compressibility.

Received: 20.06.2020
Revised: 20.06.2020
Accepted: 14.08.2020

DOI: 10.21883/OS.2020.12.50318.178-20


 English version:
Optics and Spectroscopy, 2021, 129:1, 51–55

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© Steklov Math. Inst. of RAS, 2024