Valleytronics Meets Straintronics: Valley Fine Structure Engineering of 2D Transition Metal Dichalcogenides

S Yang, H Long, W Chen, B Sa, Z Guo… - Advanced Optical …, 2024 - Wiley Online Library
Abstract 2D transition metal dichalcogenides (TMDs) have emerged as a novel class of
semiconductors with promising applications in optoelectronics, owing to their rich and …

Strain control of exciton and trion spin-valley dynamics in monolayer transition metal dichalcogenides

Z An, P Soubelet, Y Zhumagulov, M Zopf, A Delhomme… - Physical Review B, 2023 - APS
The electron-hole exchange interaction is a fundamental mechanism that drives valley
depolarization via intervalley exciton hopping in semiconductor multivalley systems. Here …

Photoluminescence imaging of single photon emitters within nanoscale strain profiles in monolayer WSe2

AN Abramov, IY Chestnov, ES Alimova… - Nature …, 2023 - nature.com
Local deformation of atomically thin van der Waals materials provides a powerful approach
to create site-controlled chip-compatible single-photon emitters (SPEs). However, the …

Strain fingerprinting of exciton valley character in 2D semiconductors

AM Kumar, D Yagodkin, R Rosati, DJ Bock… - Nature …, 2024 - nature.com
Intervalley excitons with electron and hole wavefunctions residing in different valleys
determine the long-range transport and dynamics observed in many semiconductors …

Fermi polaron fine structure in strained van der Waals heterostructures

ZA Iakovlev, MM Glazov - 2D Materials, 2023 - iopscience.iop.org
The fine structure of attractive Fermi polarons in van der Waals heterostructures based on
monolayer transition metal dichalcogenides in the presence of elastic strain is studied …

High-purity and stable single-photon emission in bilayer WSe via phonon-assisted excitation

C Piccinini, A Paralikis, JF Neto, AA Madigawa… - arXiv preprint arXiv …, 2024 - arxiv.org
The excitation scheme is essential for single-photon sources as it prepares the exciton state,
defines the decay dynamics, and influences the spectral diffusion of the emitted single …

Model selection for parametric surfaces approximating 3D point clouds for deformation analysis

X Zhao, B Kargoll, M Omidalizarandi, X Xu, H Alkhatib - Remote Sensing, 2018 - mdpi.com
Deformation monitoring of structures is a common application and one of the major tasks of
engineering surveying. Terrestrial laser scanning (TLS) has become a popular method for …

Longitudinal-transverse splitting and fine structure of Fermi polarons in two-dimensional semiconductors

ZA Iakovlev, MM Glazov - Journal of Luminescence, 2024 - Elsevier
Interaction of excitons with resident charge carriers in semiconductors gives rise to bound
three-particle complexes, trions, whose optical response is conveniently described in the …

Coherent spin dynamics of excitons in strained monolayer semiconductors

MM Glazov - Physical Review B, 2022 - APS
We develop a model of the coherent exciton spin-valley dynamics in two-dimensional
transition-metal dichalcogenides under elastic strain. The strain splits the exciton radiative …

Biaxial strain tuning of exciton energy and polarization in monolayer WS2

G Kourmoulakis, A Michail, I Paradisanos… - Applied Physics …, 2023 - pubs.aip.org
We perform micro-photoluminescence and Raman experiments to examine the impact of
biaxial tensile strain on the optical properties of WS 2 monolayers. A strong shift on the order …