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Showing 1–2 of 2 results
Advanced filters: Author: Rounak Naphade Clear advanced filters

  • Hybrid perovskite is a promising class of material for optoelectronic applications due to the slow hot-carrier cooling, yet the process is not well-understood in material with Rashba band splitting. Here, the authors reveal spin-flipping and spin-dependent scattering of hot electrons are responsible for accelerating the cooling at longer delays.

    • Jun Yin
    • Rounak Naphade
    • Omar F. Mohammed
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • We show perovskite X-ray detection at zero-voltage bias with operational device stability exceeding one year. Detection efficiency of 88% and noise-equivalent dose of 90 pGyair are obtained with 18 keV X-rays, allowing single-photon-sensitive, low-dose and energy-resolved X-ray imaging.

    • Kostiantyn Sakhatskyi
    • Bekir Turedi
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Photonics
    Volume: 17, P: 510-517