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Probing critical point energies of transition metal dichalcogenides: surprising indirect gap of single layer
Chendong Zhang, Yuxuan Chen, Amber Johnson +5
Understanding quasiparticle band structures of transition metal dichalcogenides (TMDs) is critical for technological advances of these materials for atomic layer electronics and ph…
Intrinsic Exciton Linewidth in Monolayer Transition Metal Dichalcogenides
Galan Moody, Chandriker Kavir Dass, Kai Hao +10
Monolayer transition metal dichalcogenides feature Coulomb-bound electron-hole pairs (excitons) with exceptionally large binding energy and coupled spin and valley degrees of freed…
Ultrafast Generation of Pseudo-magnetic Field for Valley Excitons in WSe2 Monolayers
Jonghwan Kim, Xiaoping Hong, Chenhao Jin +5
A new degree of freedom, the valley pseudospin, emerges in atomically thin two-dimensional transition metal dichalcogenides (MX2) and has attracted great scientific interest. The c…
Determination of band alignment in the single layer MoS2/WSe2 heterojunction
Ming-Hui Chiu, Chendong Zhang, Hung Wei Shiu +7
The emergence of transition metal dichalcogenides (TMDs) as 2D electronic materials has stimulated proposals of novel electronic and photonic devices based on TMD heterostructures.…
Plasmonic Route to Reconfigurable Polarization Optics
L. Li, T. Li, X. M. Tang +3
Surface plasmon polariton (SPP) as a bounded mode on a metal/dielectric interface intrinsically has a definite transverse magnetic (TM) polarization that usually lacks further mani…
Direct imaging of the band profile in single layer on graphite: quasiparticle energy gap, metallic edge states and edge band bending
Chendong Zhang, Amber Johnson, Chang-Lung Hsu +2
Using Scanning Tunneling Microscopy and Spectroscopy, we probe the electronic structures of single layer on graphite. We show that the quasiparticle energy gap of…