Excitons in semiconductor moiré superlattices

D Huang, J Choi, CK Shih, X Li - Nature nanotechnology, 2022 - nature.com
Semiconductor moiré superlattices represent a rapidly developing area of engineered
photonic materials and a new platform to explore correlated electron states and quantum …

Time-resolved ARPES studies of quantum materials

F Boschini, M Zonno, A Damascelli - Reviews of Modern Physics, 2024 - APS
Angle-resolved photoemission spectroscopy (ARPES), with its exceptional sensitivity to both
the binding energy and the momentum of valence electrons in solids, provides unparalleled …

Formation of moiré interlayer excitons in space and time

D Schmitt, JP Bange, W Bennecke, AA AlMutairi… - Nature, 2022 - nature.com
Moiré superlattices in atomically thin van der Waals heterostructures hold great promise for
extended control of electronic and valleytronic lifetimes,,,,,–, the confinement of excitons in …

Structure of the moiré exciton captured by imaging its electron and hole

O Karni, E Barré, V Pareek, JD Georgaras, MKL Man… - Nature, 2022 - nature.com
Abstract Interlayer excitons (ILXs)—electron–hole pairs bound across two atomically thin
layered semiconductors—have emerged as attractive platforms to study exciton …

Optical absorption of interlayer excitons in transition-metal dichalcogenide heterostructures

E Barré, O Karni, E Liu, AL O'Beirne, X Chen… - Science, 2022 - science.org
Interlayer excitons, electron-hole pairs bound across two monolayer van der Waals
semiconductors, offer promising electrical tunability and localizability. Because such …

The 2021 ultrafast spectroscopic probes of condensed matter roadmap

J Lloyd-Hughes, PM Oppeneer… - Journal of Physics …, 2021 - iopscience.iop.org
In the 60 years since the invention of the laser, the scientific community has developed
numerous fields of research based on these bright, coherent light sources, including the …

Exciton optics, dynamics, and transport in atomically thin semiconductors

R Perea-Causin, D Erkensten, JM Fitzgerald… - APL Materials, 2022 - pubs.aip.org
Atomically thin semiconductors such as transition metal dichalcogenide (TMD) monolayers
exhibit a very strong Coulomb interaction, giving rise to a rich exciton landscape. This makes …

Spin-polarized spatially indirect excitons in a topological insulator

R Mori, S Ciocys, K Takasan, P Ai, K Currier… - Nature, 2023 - nature.com
The exciton, a bound state of an electron and a hole, is a fundamental quasiparticle induced
by coherent light–matter interactions in semiconductors. When the electrons and holes are …

Recent Advances in Moiré Superlattice Systems by Angle‐Resolved Photoemission Spectroscopy

Y Li, Q Wan, N Xu - Advanced Materials, 2023 - Wiley Online Library
The last decade has witnessed a flourish in 2D materials including graphene and transition
metal dichalcogenides (TMDs) as atomic‐scale Legos. Artificial moiré superlattices via …

Advancing time-and angle-resolved photoemission spectroscopy: The role of ultrafast laser development

MX Na, AK Mills, DJ Jones - Physics Reports, 2023 - Elsevier
In the last decade, there has been a proliferation of laser sources for time-and angle-
resolved photoemission spectroscopy (TR-ARPES), building on the proven capability of this …