Phonon-Phonon Interactions in the Polarization Dependence of Raman Scattering

Nimrod Benshalom; Maor Asher; Rémy Jouclas; Roman Korobko; Guillaume Schweicher; Jie Liu; Yves Geerts; Olle Hellman; Omer Yaffe

doi:https://doi.org/10.1021/acs.jpcc.3c03850

Phonon-Phonon Interactions in the Polarization Dependence of Raman Scattering

Nimrod Benshalom, Maor Asher, Rémy Jouclas, Roman Korobko, Guillaume Schweicher, Jie Liu, Yves Geerts, Olle Hellman, Omer Yaffe

Weizmann Institute of Science

Research output: Contribution to journal › Article › peer-review

Abstract

We have found that the polarization dependence of Raman scattering in organic crystals at finite temperatures can only be described by a fourth-rank tensor formalism. This generalization of the second-rank Raman tensor Formula Presented stems from the effect of off-diagonal components in the crystal self-energy on the light scattering mechanism. We thus establish a novel manifestation of phonon-phonon interaction in inelastic light scattering, markedly separate from the better-known phonon lifetime.

Original language	English
Pages (from-to)	18099-18106
Number of pages	8
Journal	Journal of Physical chemistry c
Volume	127
Issue number	36
Early online date	31 Aug 2023
DOIs	https://doi.org/10.1021/acs.jpcc.3c03850
State	Published - 14 Sep 2023

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
General Energy
Surfaces, Coatings and Films
Physical and Theoretical Chemistry

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oy_JourPhysChemC_Phonon-Phonon-Interactions_PV_2023Final published version, 4.56 MBLicense: CC BY

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abstract = "We have found that the polarization dependence of Raman scattering in organic crystals at finite temperatures can only be described by a fourth-rank tensor formalism. This generalization of the second-rank Raman tensor Formula Presented stems from the effect of off-diagonal components in the crystal self-energy on the light scattering mechanism. We thus establish a novel manifestation of phonon-phonon interaction in inelastic light scattering, markedly separate from the better-known phonon lifetime.",

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T1 - Phonon-Phonon Interactions in the Polarization Dependence of Raman Scattering

AU - Benshalom, Nimrod

AU - Asher, Maor

AU - Jouclas, Rémy

AU - Korobko, Roman

AU - Schweicher, Guillaume

AU - Liu, Jie

AU - Geerts, Yves

AU - Hellman, Olle

AU - Yaffe, Omer

PY - 2023/9/14

Y1 - 2023/9/14

N2 - We have found that the polarization dependence of Raman scattering in organic crystals at finite temperatures can only be described by a fourth-rank tensor formalism. This generalization of the second-rank Raman tensor Formula Presented stems from the effect of off-diagonal components in the crystal self-energy on the light scattering mechanism. We thus establish a novel manifestation of phonon-phonon interaction in inelastic light scattering, markedly separate from the better-known phonon lifetime.

AB - We have found that the polarization dependence of Raman scattering in organic crystals at finite temperatures can only be described by a fourth-rank tensor formalism. This generalization of the second-rank Raman tensor Formula Presented stems from the effect of off-diagonal components in the crystal self-energy on the light scattering mechanism. We thus establish a novel manifestation of phonon-phonon interaction in inelastic light scattering, markedly separate from the better-known phonon lifetime.

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U2 - https://doi.org/10.1021/acs.jpcc.3c03850

DO - https://doi.org/10.1021/acs.jpcc.3c03850

M3 - مقالة

C2 - 37736293

SN - 1932-7447

VL - 127

SP - 18099

EP - 18106

JO - Journal of Physical chemistry c

JF - Journal of Physical chemistry c

IS - 36

ER -

Phonon-Phonon Interactions in the Polarization Dependence of Raman Scattering

Abstract

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