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
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.