Using laser to trigger an atomic shift in 2D layered crystal Janus semiconductors, actively controlling light-flow through the material


"molybdenum sulfur selenide/ molybdenum disulfide Janus transition metal dichalcogenides... Janus: top/ bottom atomic layers different chemical species, giving material internal electrical polarity/ high external force/ light sensitivity, which together with strong coupling between layers causes atoms' displacement... optical switches/ components for photonic chips: less heat/ greater efficiency, than electrical... displays, imaging, quantum light sources, detectors sensing smallest vibrations/ pressure changes"

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