WSe2 2D p‐type semiconductor‐based electronic devices for information technology: Design, preparation, and applications
The pioneering exfoliation of monolayer tungsten diselenide has greatly inspired
researchers toward semiconducting applications. WSe2 belongs to a family of transition …
researchers toward semiconducting applications. WSe2 belongs to a family of transition …
Measuring the Exciton Binding Energy: Learning from a Decade of Measurements on Halide Perovskites and Transition Metal Dichalcogenides
The exciton binding energy (Eb) is a key parameter that governs the physics of many
optoelectronic devices. At their best, trustworthy and precise measurements of Eb challenge …
optoelectronic devices. At their best, trustworthy and precise measurements of Eb challenge …
Revealing exciton masses and dielectric properties of monolayer semiconductors with high magnetic fields
In semiconductor physics, many essential optoelectronic material parameters can be
experimentally revealed via optical spectroscopy in sufficiently large magnetic fields. For …
experimentally revealed via optical spectroscopy in sufficiently large magnetic fields. For …
Exciton-polaron Rydberg states in monolayer MoSe2 and WSe2
Exciton polaron is a hypothetical many-body quasiparticle that involves an exciton dressed
with a polarized electron-hole cloud in the Fermi sea. It has been evoked to explain the …
with a polarized electron-hole cloud in the Fermi sea. It has been evoked to explain the …
Edge-Confined Excitons in Monolayer Black Phosphorus
Quantum confinement of two-dimensional excitons in van der Waals materials via
electrostatic trap**, lithographic patterning, Moiré potentials, and chemical implantation …
electrostatic trap**, lithographic patterning, Moiré potentials, and chemical implantation …
Strain-Induced Exciton Hybridization in Monolayers Unveiled by Zeeman-Splitting Measurements
Mechanical deformations and ensuing strain are routinely exploited to tune the band gap
energy and to enhance the functionalities of two-dimensional crystals. In this Letter, we show …
energy and to enhance the functionalities of two-dimensional crystals. In this Letter, we show …
Rydberg Excitons and Trions in Monolayer MoTe2
Monolayer transition metal dichalcogenide (TMDC) semiconductors exhibit strong excitonic
optical resonances, which serve as a microscopic, noninvasive probe into their fundamental …
optical resonances, which serve as a microscopic, noninvasive probe into their fundamental …
Valley-selective chiral phonon replicas of dark excitons and trions in monolayer
We observe a set of three replica luminescent peaks at∼ 21.4 meV below the dark exciton,
and negative and positive dark trions (or exciton polarons) in monolayer WS e 2. The replica …
and negative and positive dark trions (or exciton polarons) in monolayer WS e 2. The replica …
First-principles insights into the spin-valley physics of strained transition metal dichalcogenides monolayers
Transition metal dichalcogenides (TMDCs) are ideal candidates to explore the manifestation
of spin-valley physics under external stimuli. In this study, we investigate the influence of …
of spin-valley physics under external stimuli. In this study, we investigate the influence of …
Electronic and Excitonic Properties of MSi2Z4 Monolayers
MA2Z4 monolayers form a new class of hexagonal non‐centrosymmetric materials hosting
extraordinary spin‐valley physics. While only two compounds (MoSi2N4 and WSi2N4) are …
extraordinary spin‐valley physics. While only two compounds (MoSi2N4 and WSi2N4) are …