6533b830fe1ef96bd129730b

RESEARCH PRODUCT

Real-time observation of the intravalley spin-flip process in single-layer WS2

Giulio CerulloGiancarlo SoaviAlejandro Molina-sanchezAndrea MariniU. SassiMarco FinazziStefano Dal ConteDomenico De FazioP. AltmannLudger WirtzFranco CiccacciAndrea C. FerrariZilong WangFederico BottegoniDavide Sangalli

subject

Materials scienceCondensed matter physicsScatteringPhysicsQC1-999MonolayerUltrafast laser spectroscopySettore FIS/01 - Fisica SperimentaleProcess (computing)ReversingSpin-flipSpectroscopySpin-½

description

We use helicity-resolved transient absorption spectroscopy to track intravalley scattering dynamics in monolayer WS2. We find that spin-polarized carriers scatter from upper to lower conduction band by reversing their spin orientation on a sub-ps timescale.

10.1051/epjconf/201920505012http://hdl.handle.net/10278/3749827