Charge density waves and degenerate modes in exfoliated monolayer 2H-TaS2

Zhang, D.; Wu, Y.; Su, Y.-H.; Hsu, M.-C.; Ó Coileáin, C.; Cho, J.; Choi, M.; Chun, B.S.; Guo, Y.; Chang, C.-R.; Wu, H.-C.

doi:10.1107/S2052252520011021

Figure 3
Phonon dispersion of TaS₂. (a) A schematic diagram of (from left to right) the E¹_2g, E_1g, E²_2g and A_1g Raman active modes of bulk 2H-TaS₂. (b) Phonon dispersion of bulk 2H-TaS₂ as a function of the electronic smearing parameter σ. (c) Phonon dispersion of bulk and monolayer 2H-TaS₂ with a smearing parameter σ = 0.03 eV. (d) Phonon dispersion of monolayer 2H-TaS₂ with a 3 × 3 × 1 unit cell.

IUCrJ

Volume 7| Part 5| September 2020| Pages 913-919

ISSN: 2052-2525

https://doi.org/10.1107/S2052252520011021

PHYSICS | FELS

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