Emerging exciton physics in transition metal dichalcogenide heterobilayers

EC Regan, D Wang, EY Paik, Y Zeng, L Zhang… - Nature Reviews …, 2022 - nature.com
Atomically thin transition metal dichalcogenides (TMDs) are 2D semiconductors with tightly
bound excitons and correspondingly strong light–matter interactions. Owing to the weak van …

Excitonic devices with van der Waals heterostructures: valleytronics meets twistronics

A Ciarrocchi, F Tagarelli, A Avsar, A Kis - Nature Reviews Materials, 2022 - nature.com
Abstract 2D semiconducting transition metal dichalcogenides comprise an emerging class of
materials with distinct properties, including large exciton binding energies that reach …

Excitons and emergent quantum phenomena in stacked 2D semiconductors

NP Wilson, W Yao, J Shan, X Xu - Nature, 2021 - nature.com
The design and control of material interfaces is a foundational approach to realize
technologically useful effects and engineer material properties. This is especially true for two …

Interlayer exciton formation, relaxation, and transport in TMD van der Waals heterostructures

Y Jiang, S Chen, W Zheng, B Zheng… - Light: Science & …, 2021 - nature.com
Van der Waals (vdW) heterostructures based on transition metal dichalcogenides (TMDs)
generally possess a type-II band alignment that facilitates the formation of interlayer excitons …

Polariton panorama

DN Basov, A Asenjo-Garcia, PJ Schuck, X Zhu… - …, 2020 - degruyter.com
In this brief review, we summarize and elaborate on some of the nomenclature of polaritonic
phenomena and systems as they appear in the literature on quantum materials and …

Progress and prospects in transition-metal dichalcogenide research beyond 2D

T Chowdhury, EC Sadler, TJ Kempa - Chemical reviews, 2020 - ACS Publications
This review discusses recent advances and future research priorities in the transition-metal
dichalcogenide (TMD) field. While the community has witnessed tremendous advances …

Strongly correlated excitonic insulator in atomic double layers

L Ma, PX Nguyen, Z Wang, Y Zeng, K Watanabe… - Nature, 2021 - nature.com
Excitonic insulators (EIs) arise from the formation of bound electron–hole pairs (excitons), in
semiconductors and provide a solid-state platform for quantum many-boson physics …

Excitons in strain-induced one-dimensional moiré potentials at transition metal dichalcogenide heterojunctions

Y Bai, L Zhou, J Wang, W Wu, LJ McGilly, D Halbertal… - Nature Materials, 2020 - nature.com
The possibility of confining interlayer excitons in interfacial moiré patterns has recently
gained attention as a strategy to form ordered arrays of zero-dimensional quantum emitters …

Exciton physics and device application of two-dimensional transition metal dichalcogenide semiconductors

T Mueller, E Malic - npj 2D Materials and Applications, 2018 - nature.com
Two-dimensional group-VI transition metal dichalcogenide semiconductors, such as MoS2,
WSe2, and others, exhibit strong light-matter coupling and possess direct band gaps in the …

Evidence of high-temperature exciton condensation in two-dimensional atomic double layers

Z Wang, DA Rhodes, K Watanabe, T Taniguchi… - Nature, 2019 - nature.com
A Bose–Einstein condensate is the ground state of a dilute gas of bosons, such as atoms
cooled to temperatures close to absolute zero. With much smaller mass, excitons (bound …