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Zhurnal Tekhnicheskoi Fiziki, 2025 Volume 95, Issue 3, Pages 483–488 (Mi jtf7516)

Special issue on the materials of the International Conference "Nanocarbon and Diamond" (NiA'2024)
Theoretical and Mathematical Physics

Brillouin–Mandelstam scattering in weakly disordered nanoparticles

A. G. Yashenkinab, O. I. Utesovc, S. V. Koniakhindc

a St. Petersburg State University, Faculty of Physics, Peterhof, St. Petersburg, Russia
b The Petersburg Nuclear Physics Institute, The National Research Center "Kurchatov Institute", Gatchina, Leningradskaya obl., Russia
c Institute for Basic Science (IBS), Daejeon, Republic of Korea
d Korean University of Science and Technology (UST), Daejeon , Republic of Korea

Abstract: Utilizing the earlier elaborated general approach we undertook the comprehensive analisys of model light scattering spectra in arrays of nanoparticles on nonpolar crystals within Brillouin–Mandelstam and Raman channels. It is shown that the light scattering by acoustic phonons could serve as an independent tool with respect to the main Raman one providing us with additional experimental information – particularly, about the properties of nanoparticles sufaces.

Keywords: Raman and Brillouin–Mandelstam light scattering, acoustic phonons, nanoparticles, nonpolar crystals.

Received: 24.11.2024
Revised: 24.11.2024
Accepted: 24.11.2024

DOI: 10.61011/JTF.2025.03.59853.351-24



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© Steklov Math. Inst. of RAS, 2025