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Transition-metal-dichalcogenides (TMDs), which exhibit an indirect electronic band gap as bulk crystals, can become direct semiconductors in the monolayer phase [1]. Such monolayer TMDs show unique optical properties arising from the strong two-dimensional confinement of excitons as well as from the reduction in crystal symmetry. However, the strong mismatch in length scale between the sub-nanometer...
Transition metal dichalcogenides (TMDs) are class of materials, which have recently attracted a high degree of scientific attention. In these materials, the adjacent crystal layers are mutually attached only by weak Van-der-Waals forces, enabling the preparation of TMD monolayers with thicknesses below one nanometer. Interestingly, TMDs, which are indirect semiconductors in their bulk form, become...
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