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Showing 1–3 of 3 results
Advanced filters: Author: Fachen Liu Clear advanced filters

  • In situ vibrational electron energy-loss spectroscopy is used to examine phonon transport dynamics across the AlN–SiC interface during thermal transport at sub-nanometre resolution, demonstrating a sharp temperature drop within about 2 nm across the interface.

    • Fachen Liu
    • Ruilin Mao
    • Peng Gao
    ResearchOpen Access
    Nature
    Volume: 642, P: 941-946

  • Here, the authors probe the phonon changes across an atomically sharp h-10BN/h-11BN isotope interface with sub-unit-cell spatial resolution and momentum resolution. The observed phonon delocalization suggests strong electron-phonon coupling at isotopic interface.

    • Ning Li
    • Ruochen Shi
    • Peng Gao
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-7

  • The authors characterize the phonon modes at the FeSe/SrTiO3 interface with atomically resolved electron energy loss spectroscopy and correlate them with accurate atomic structure in an electron microscope. They find several phonon modes highly localized at the interface, one of which engages in strong interactions with the electrons in FeSe.

    • Ruochen Shi
    • Qize Li
    • Peng Gao
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7