Recent Advances in Moiré Superlattice Systems by Angle‐Resolved Photoemission Spectroscopy
The last decade has witnessed a flourish in 2D materials including graphene and transition
metal dichalcogenides (TMDs) as atomic‐scale Legos. Artificial moiré superlattices via …
metal dichalcogenides (TMDs) as atomic‐scale Legos. Artificial moiré superlattices via …
Momentum-Resolved Observation of Exciton Formation Dynamics in Monolayer WS2
The dynamics of momentum-dark exciton formation in transition metal dichalcogenides is
difficult to measure experimentally, as many momentum-indirect exciton states are not …
difficult to measure experimentally, as many momentum-indirect exciton states are not …
Revealing hidden orbital pseudospin texture with time-reversal dichroism in photoelectron angular distributions
We performed angle-resolved photoemission spectroscopy (ARPES) of bulk 2H-WSe 2 for
different crystal orientations linked to each other by time-reversal symmetry. We introduce a …
different crystal orientations linked to each other by time-reversal symmetry. We introduce a …
Polarization-modulated angle-resolved photoemission spectroscopy: toward circular dichroism without circular photons and Bloch wave-function reconstruction
Angle-resolved photoemission spectroscopy (ARPES) is the most powerful technique to
investigate the electronic band structure of crystalline solids. To completely characterize the …
investigate the electronic band structure of crystalline solids. To completely characterize the …
Probing topological Floquet states in WSe2 using circular dichroism in time- and angle-resolved photoemission spectroscopy
Observing signatures of light-induced topological Floquet states in materials has been
shown to be very challenging. Angle-resolved photoemission spectroscopy (ARPES) is well …
shown to be very challenging. Angle-resolved photoemission spectroscopy (ARPES) is well …
Electronic band structure of high-symmetry homobilayers of transition metal dichalcogenides
High-symmetric homobilayer transition metal dichalcogenides (TMDs) are important
members of the bilayer (BL) van der Waals material family. Here we present a systematic …
members of the bilayer (BL) van der Waals material family. Here we present a systematic …
Macroscopic uniform 2D moir\'e superlattices with controllable angles
Moir\'e superlattices, engineered through precise stacking of van der Waals (vdW) layers,
hold immense promise for exploring strongly correlated and topological phenomena …
hold immense promise for exploring strongly correlated and topological phenomena …
[HTML][HTML] Spectroscopic view of ultrafast charge carrier dynamics in single-and bilayer transition metal dichalcogenide semiconductors
The quasiparticle spectra of atomically thin semiconducting transition metal dichalcogenides
(TMDCs) and their response to an ultrafast optical excitation critically depend on interactions …
(TMDCs) and their response to an ultrafast optical excitation critically depend on interactions …
Ultrafast polarization-tunable monochromatic extreme ultraviolet source at high-repetition-rate
We report on the development of a high-order harmonic generation (HHG)-based ultrafast
high-repetition-rate (250 kHz) monochromatic extreme ultraviolet (21.6 eV) source with …
high-repetition-rate (250 kHz) monochromatic extreme ultraviolet (21.6 eV) source with …
k· p parametrization and linear and circular dichroism in strained monolayer (Janus) transition metal dichalcogenides from first-principles
Semiconductor monolayer transition metal dichalcogenides (TMDs) have brought a new
paradigm by introducing optically addressable valley degree of freedom. Concomitantly …
paradigm by introducing optically addressable valley degree of freedom. Concomitantly …