Electron dynamics in transition metal dichalcogenides utilizing attosecond transient absorption spectroscopy
Published Web Locationhttps://doi.org/10.1364/CLEO_QELS.2018.FF1P.4
© OSA 2018. Strong enhancement of exciton binding has been observed in valence-excitons in the optical regime of 2D materials. We report direct observation of long-lived core-exciton states in transition metal dichalcogenides by attosecond transient absorption spectroscopy in the XUV.