科研之友
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摘要
<正>Two-dimensional (2D) van der Waals materials stand out as a family of atomic-thickness crystals with fascinating properties that span electronics,optoelectronics,photonics,acoustics,and beyond.As supplementary to zero-band graphene,limited-gap MXenes[1,2] and insulator hBN,2D transition metal dichalcogenides(TMDs),which are free of dangling bonds and possess a sizeable bandgap,inherently restrict the carrier pathway in atomically thin channels and are immune to short-channel effects naturally.Their excellent electrical performance within extreme thickness positions them as promising candidates for the next-generation semi-conductor material in the post-Moore era [3-7].
