Exciton-exciton interactions in van der Waals heterobilayers

A Steinhoff, E Wietek, M Florian, T Schulz, T Taniguchi… - Physical Review X, 2024 - APS
Exciton-exciton interactions are key to understanding nonlinear optical and transport
phenomena in van der Waals heterobilayers, which emerged as versatile platforms to study …

Nonlinear and negative effective diffusivity of interlayer excitons in moiré-free heterobilayers

E Wietek, M Florian, J Göser, T Taniguchi… - Physical Review Letters, 2024 - APS
Interlayer exciton diffusion is studied in atomically reconstructed MoSe 2/WSe 2
heterobilayers with suppressed disorder. Local atomic registry is confirmed by characteristic …

Ultrafast Control over Stiffening and Softening of Coherent Interlayer Coupling in WSe2/WS2 Heterobilayers

J Kim, J Suh, SH Lee, K Watanabe, T Taniguchi… - Nano Letters, 2024 - ACS Publications
Twisted van der Waals heterostructures have led to emerging layer-dependent correlated
physics in moiré potentials. While optoelectronic controls over interlayer electronic coupling …

Exciton transport in atomically thin semiconductors

E Malic, R Perea-Causin, R Rosati, D Erkensten… - nature …, 2023 - nature.com
Atomically thin semiconductors have been in the center of one of the most active research
fields. Here, we discuss the main challenges in exciton transport that is crucial for …

Viscous hydrodynamics of excitons in van der Waals heterostructures

VN Mantsevich, MM Glazov - Physical Review B, 2024 - APS
Excitons in semiconductors can form a variety of collective states leading to different regimes
of exciton propagation. Here we theoretically demonstrate the possibility to reach the …

Dimensionality crossover for moiré excitons in twisted bilayers of anisotropic two-dimensional semiconductors

I Soltero, DA Ruiz-Tijerina - Physical Review B, 2023 - APS
We study the energies and optical spectra of excitons in twisted bilayers of anisotropic van
der Waals semiconductors exhibiting moiré patterns, taking phosphorene as a case study …

Transition between quadrupole and staggered dipole interlayer excitons in heterotrilayers

Y Xie, F Chen, Y Gao, Y Wang, J Mao, Q Liu, S Chu… - Physical Review B, 2024 - APS
Recently, a new exciton species of quadrupole exciton (QX) has been discovered in two-
dimensional (2D) transition-metal dichalcogenide (TMD) heterotrilayers, which has attracted …

Diffusion of fast and slow excitons with an exchange in quasi-two-dimensional systems

OP Adejumobi, VN Mantsevich, VV Palyulin - Physical Review E, 2024 - APS
By means of analytical calculations and numerical simulations, we study the diffusion
properties in quasi-two-dimensional structures with two exciton subsystems with an …

Two dimensional semiconductors: optical and electronic properties

R Rosati, I Paradisanos, E Malic… - arXiv preprint arXiv …, 2024 - arxiv.org
In the last decade atomically thin 2D materials have emerged as a perfect platform for
studying and tuning light-matter interaction and electronic properties in nanostructures. The …

[引用][C] Exciton diffusion in 2D van der Waals semiconductors

A Chernikov, MM Glazov - 2023 - Elsevier