incommensurate phases

Wednesday, May 17, 2017 - 9:50am - 10:30am
Efthimios Kaxiras (Harvard University)
The inherent limitations of graphene in the context of electronic applications due to the absence of a band-gap can be overcome by combining it with materials that are intrinsically semiconducting (like the family of transition metal dichalcogenides) or insulating (like hexagonal boron nitride). Combinations of such materials in layered heterostructures provide interesting opportunities to improve and manipulate their intrinsic properties due to the weak van der Waals interaction between layers, which preserves their basic character but allows for important variations.
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