Abstract
We studied the Raman scattering in bulk and four-monolayer thick MoS2 films under the resonance laser excitation of A, B, and C excitons. We demonstrate the fine structure agility of a phonon mode associated with out-of-plane vibration of sulfur atoms (A1g) when passing from bulk to atomically thin film. The C exciton resonance excitation allows us to register the line corresponding to optical-phonon (E1g) scattering and the set of peaks with a 660 – 740 cm−1 Stokes shift associated with resonance scattering by two optical (Eu) phonons.
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Bagaev, V.S., Krivobok, V.S., Nikolaev, S.N. et al. Resonance Raman Scattering Spectroscopy of Four-Monolayer Thick MoS2 Films. J Russ Laser Res 40, 269–273 (2019). https://doi.org/10.1007/s10946-019-09801-8
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DOI: https://doi.org/10.1007/s10946-019-09801-8