Spontaneous exciton dissociation in transition metal dichalcogenide monolayers
Since the seminal work on MoS2, photoexcitation in atomically thin transition metal
dichalcogenides (TMDCs) has been assumed to result in excitons, with binding energies …
dichalcogenides (TMDCs) has been assumed to result in excitons, with binding energies …
Control of the bright-dark exciton splitting using the Lamb shift in a two-dimensional semiconductor
We investigate the exciton fine structure in atomically thin WSe 2-based van der Waals
heterostructures where the density of optical modes at the location of the semiconductor …
heterostructures where the density of optical modes at the location of the semiconductor …
Interaction-driven transport of dark excitons in 2D semiconductors with phonon-mediated optical readout
The growing field of quantum information technology requires propagation of information
over long distances with efficient readout mechanisms. Excitonic quantum fluids have …
over long distances with efficient readout mechanisms. Excitonic quantum fluids have …
Strain control of exciton and trion spin-valley dynamics in monolayer transition metal dichalcogenides
The electron-hole exchange interaction is a fundamental mechanism that drives valley
depolarization via intervalley exciton hopping in semiconductor multivalley systems. Here …
depolarization via intervalley exciton hopping in semiconductor multivalley systems. Here …
Efficient electron spin relaxation by chiral phonons in monolayers
In transition metal dichalcogenide semiconductor monolayers the spin dynamics of electrons
is controlled by the original spin-valley locking effect resulting from the interplay between …
is controlled by the original spin-valley locking effect resulting from the interplay between …
Ab initio quantum approach to electron-hole exchange for semiconductors hosting Wannier excitons
M Combescot, T Amand, SY Shiau - Physical Review B, 2023 - APS
We propose a quantum approach to “electron-hole exchange,” better named electron-hole
pair exchange, that makes use of the second quantization formalism to describe the problem …
pair exchange, that makes use of the second quantization formalism to describe the problem …
Essential role of momentum-forbidden dark excitons in the energy transfer responses of monolayer transition-metal dichalcogenides
We present a theoretical investigation of exciton-mediated Förster resonant energy transfers
(FRET's) from photoexcited quantum dots (QD's) to transition-metal dichalcogenide …
(FRET's) from photoexcited quantum dots (QD's) to transition-metal dichalcogenide …
Perspective on trions and excitons in two-dimensional atomically thin materials
YV Zhumagulov, V Perebeinos - Applied Physics Letters, 2024 - pubs.aip.org
Charged excitons or trions are essential for optical spectra in low-dimensional doped
monolayers of transitional metal dichalcogenides. This Perspective aims to provide an …
monolayers of transitional metal dichalcogenides. This Perspective aims to provide an …
Observation of Multi-Phonon Emission in Monolayer WS2 on Various Substrates
Transition metal dichalcogenides (TMDs) have unique absorption and emission properties
that stem from their large excitonic binding energies, reduced-dielectric screening, and …
that stem from their large excitonic binding energies, reduced-dielectric screening, and …
Energy shifts and broadening of excitonic resonances in electrostatically-doped semiconductors
Tuning the density of resident electrons or holes in semiconductors provides crucial insight
into the composition of excitonic complexes that are observed as absorption or …
into the composition of excitonic complexes that are observed as absorption or …