Excitonic devices based on two-dimensional transition metal dichalcogenides van der Waals heterostructures

Y Liu, Y Zhu, Z Yan, R Bai, X Zhang, Y Ren… - Frontiers of Chemical …, 2024 - Springer
Excitonic devices are an emerging class of technology that utilizes excitons as carriers for
encoding, transmitting, and storing information. Van der Waals heterostructures based on …

Valleytronics: Fundamental Challenges and Materials Beyond Transition Metal Chalcogenides

R Xu, Z Zhang, J Liang, H Zhu - Small, 2024 - Wiley Online Library
Valleytronics, harnessing the valley degree of freedom in the momentum space, is a
potential energy‐efficient approach for information encoding, manipulation, and storage …

Nonvolatile Control of Valley Polarized Emission in 2D WSe2-AlScN Heterostructures

S Singh, KH Kim, K Jo, P Musavigharavi, B Kim… - ACS …, 2024 - ACS Publications
Achieving robust and electrically controlled valley polarization in monolayer transition metal
dichalcogenides (ML-TMDs) is a frontier challenge for realistic valleytronic applications …

Tuning Spin-Polarized Lifetime at High Carrier Density through Deformation Potential in Dion–Jacobson-Phase Perovskites

Y Huang, C Chen, S Gong, Q Hu, J Liu… - Journal of the …, 2024 - ACS Publications
The control of spin relaxation mechanisms is of great importance for spintronics applications
as well as for fundamental studies. Layered metal-halide perovskites represent an emerging …

Quantum tunneling high-speed nano-excitonic modulator

H Lee, S Kim, S Eom, G Ji, SH Choi, H Joo… - Nature …, 2024 - nature.com
High-speed electrical control of nano-optoelectronic properties in two-dimensional
semiconductors is a building block for the development of excitonic devices, allowing the …

Interactions and ultrafast dynamics of exciton complexes in a monolayer semiconductor with electron gas

A Rodek, K Oreszczuk, T Kazimierczuk, J Howarth… - …, 2024 - degruyter.com
We present femtosecond pump-probe measurements of neutral and charged exciton optical
response in monolayer MoSe2 to resonant photoexcitation of a given exciton state in the …

Proximity-Induced Exchange Interaction and Prolonged Valley Lifetime in MoSe2/CrSBr Van-Der-Waals Heterostructure with Orthogonal Spin Textures

A Beer, K Zollner, C Serati de Brito, PE Faria Junior… - ACS …, 2024 - ACS Publications
Heterostructures, composed of semiconducting transition-metal dichalcogenides (TMDC)
and magnetic van-der-Waals materials, offer exciting prospects for the manipulation of the …

Indirect‐To‐Direct Bandgap Crossover and Room‐Temperature Valley Polarization of Multilayer MoS2 Achieved by Electrochemical Intercalation

M Jo, E Lee, E Moon, BG Jang, J Kim… - Advanced …, 2024 - Wiley Online Library
Monolayer (1L) group VI transition metal dichalcogenides (TMDs) exhibit broken inversion
symmetry and strong spin‐orbit coupling, offering promising applications in optoelectronics …

Anisotropic Etching of Monolayer MoS2 Flakes for Zigzag Edges in Chemical Vapor Deposition

Q Li, Q Luo, Y Zhu, B Zheng, L Zhou… - … Applied Materials & …, 2024 - ACS Publications
The edge of two-dimensional (2D) flakes of transition metal dichalcogenide (TMD)
profoundly influences their optical, electronic, catalytic, and magnetic properties due to the …

The Quadruplon in a Monolayer Semiconductor

J Tang, H Sun, Q Zhang, X Dai, Z Wang… - arXiv preprint arXiv …, 2022 - arxiv.org
So far, composite particles involving two or three constituent particles have been
experimentally identified, such as the Cooper pairs, excitons, and trions in condensed matter …