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Showing 1–6 of 6 results
Advanced filters: Author: Hope Bretscher Clear advanced filters

  • Integrating an electronic device with a cavity can cause the electrons to couple to photons strongly enough to form hybrid modes. Now, the cavity effects induced by intrinsic graphite gates are shown to modify the low-energy properties of graphene.

    • Gunda Kipp
    • Hope M. Bretscher
    • James W. McIver
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 1926-1933

  • The dominant mechanism of the excitonic insulator transition in Ta2NiSe5 and the nature of its high-temperature phase are debated. The authors report transient reflectivity measurements indicating a significant electronic contribution to the transition and a gapped state of preformed excitons at high temperatures.

    • Hope M. Bretscher
    • Paolo Andrich
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • To avoid a replication crisis in physics, physicists need to understand how ever-changing social forces shape scientific practice — and even the underlying notions of replicability and objectivity.

    • Hope Bretscher
    • Núria Muñoz Garganté
    Comments & Opinion
    Nature Reviews Physics
    Volume: 7, P: 166-167

  • The low photoluminescence of monolayer transition metal disulfides remains a challenge for their optoelectronic application. Here the authors present an effective and green method to enhance the photoluminescence of monolayer MoS2 and WS2, and a detailed mechanistic picture of the treatments.

    • Zhaojun Li
    • Hope Bretscher
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • Photoinduced changes in transmission, reflection and scattering prevent conventional pump-probe spectroscopy to unambiguously assign the origin of spectral signatures. Ashoka et al. have developed an optical modelling technique to extract quantitative and unambiguous changes in the dielectric function from standard pump-probe measurements.

    • Arjun Ashoka
    • Ronnie R. Tamming
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8