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Showing 1–6 of 6 results
Advanced filters: Author: Philippe Jacquod Clear advanced filters

  • Random lasing in the presence of nonlinearities and disordered gain media is still poorly understood. Researchers now present a semiclassical theory for multimode random lasing in the strongly scattering regime. They show that Anderson localization — a wave-interference effect — is not affected by the presence of nonlinearities, but instead suppresses interactions between simultaneously lasing modes.

    • Peter Stano
    • Philippe Jacquod
    Research
    Nature Photonics
    Volume: 7, P: 66-71

  • Trilayer graphene can be realized in two different stacking configurations, known as rhombohedral and Bernal stackings, which display different electronic characteristics. It is now shown that an applied perpendicular electric field can be used to switch between these two configurations.

    • Matthew Yankowitz
    • Joel I-Jan Wang
    • Brian J. LeRoy
    Research
    Nature Materials
    Volume: 13, P: 786-789

  • Using boron nitride as a substrate for graphene has been suggested as a promising way to reduce the disorder in graphene caused by space fluctuations. It is now shown by scanning tunnelling microscopy that graphene conforms perfectly to boron nitride and the charge fluctuations are minimal compared with the conventionally used substrate, silica. Boron nitride could really be the natural graphene substrate.

    • Jiamin Xue
    • Javier Sanchez-Yamagishi
    • Brian J. LeRoy
    Research
    Nature Materials
    Volume: 10, P: 282-285

  • It is well known that graphene deposited on hexagonal boron nitride produces moiré patterns in scanning tunnelling microscopy images. The interaction that produces this pattern also produces a commensurate periodic potential that generates a set of Dirac points that are different from those of the graphene lattice itself.

    • Matthew Yankowitz
    • Jiamin Xue
    • Brian J. LeRoy
    Research
    Nature Physics
    Volume: 8, P: 382-386