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Showing 1–6 of 6 results
Advanced filters: Author: L. Britnell Clear advanced filters

  • Multilayer stacks of graphene and related two-dimensional crystals can be tailored to create new classes of functional materials. Britnell et al. report resonant tunnelling of Dirac fermions and tunable negative differential conductance in a graphene-boron nitride-graphene transistor.

    • L. Britnell
    • R. V. Gorbachev
    • L. Eaves
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-5

  • Photodetection is believed to be among the most promising potential applications for graphene. Here, by combining graphene with plasmonic nanostructures, the efficiency of graphene-based photodetectors is increased by up to two orders of magnitude.

    • T.J. Echtermeyer
    • L. Britnell
    • K.S. Novoselov
    Research
    Nature Communications
    Volume: 2, P: 1-5

  • A single layer of graphene on top of a hexagonal boron-nitride sheet can stretch to form a commensurate structure, or not — depending on the rotation angle between the two layers. In the case of commensurability, strain gets concentrated in domain walls, resulting in soliton-like structures.

    • C. R. Woods
    • L. Britnell
    • K. S. Novoselov
    Research
    Nature Physics
    Volume: 10, P: 451-456

  • A suitably engineered plasmonic metamaterial featuring topologically protected sharp phase variations close to a zero-reflection point of incident lightwaves has now been demonstrated. Exploiting the high sensitivity of the abrupt phase changes, and by using reversible hydrogenation of graphene and binding of streptavidin–biotin, the detection of individual biomolecules and an areal mass sensitivity of the order of fg mm−2 is reported.

    • V. G. Kravets
    • F. Schedin
    • A. N. Grigorenko
    Research
    Nature Materials
    Volume: 12, P: 304-309