Review Article


2021, 14(6): 1711–1733


Detection of electron–phonon coupling in two-dimensional materials by light scattering

Jia-Min Lai1,2, Ya-Ru Xie1,2, and Jun Zhang1,2,3,4 (✉)

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1 State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
2 Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3 CAS Center of Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 101408, China
4 Beijing Academy of Quantum Information Science, Beijing 100193, China

Keywords: electron–phonon coupling, Raman scattering, Brillouin scattering, two-dimensional (2D) materials
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  • Abstract
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Electron–phonon coupling affects the properties of two-dimensional (2D) materials significantly, leading to a series of novel phenomena. Inelastic light scattering provides a powerful experimental tool to explore electron–phonon interaction in 2D materials. This review gives an overview of the basic theory and experimental advances of electron–phonon coupling in 2D materials detected by Raman and Brillouin scattering, respectively. In the Raman scattering part, we review Raman spectroscopy studies of electron–phonon coupling in graphene, transition metal disulfide compounds, van der Waals heterostructures, strongly correlated systems, and 2D magnetic materials. In the Brillouin scattering part, we extensively introduce Brillouin spectroscopy in non-van der Waals 2D structures, including temperature sensors for phonons and magnons, interfacial Dzyaloshinsky-Moriya interaction and spin torque in multilayer magnetic structures, as well as exciton–polariton in semiconductor quantum well.
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Detection of electron–phonon coupling in two-dimensional materials by light scattering. Nano Res. 2021, 14(6): 1711–1733

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