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. 2021 Sep 29;597(7878):660–665. doi: 10.1038/s41586-021-03867-8

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© The Author(s) 2021

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Extended Data Fig. 4 — a, Raman spectra reflecting the breathing modes (BM) of r-MoS₂ (blue) and the shear mode (SM) for MoS₂. b, The low-frequency Raman peak positions of r-MoS₂ and exfoliated MoS₂. The filled squares indicate the BM peak positions of r-MoS₂. The open squares indicate the BM peak positions of exfoliated MoS₂, and the open circles indicate the SM peak positions of exfoliated MoS₂⁷².