Enhanced field-effect control of single-layer ws2 optical features by hbn full encapsulation

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SUMMARY

    In recent years, atomically thin semiconducting transition metal dichalcogenides (2D-TMDs) emerged as an appealing platform for the room-temperature implementation of excitonic systems. The reduced dimensionality, which characterises 2D-TMDs in the monolayer regime, results in a strong confinement of the charge carriers and reduced dielectric screening, inducing a strong Coulomb interaction with reported exciton binding_energy up to 1 eV. Indeed, due to the high excitons binding energies that allow for stable excitons at room temperature, the tuning of charge density in 2D-TMDs results in the generation of charged exciton bounded states . . .

     

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