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 …

Probing excitons with time-resolved momentum microscopy

M Reutzel, GSM Jansen, S Mathias - Advances in Physics: X, 2024 - Taylor & Francis
Excitons–two-particle correlated electron-hole pairs–are the dominant low-energy optical
excitation in the broad class of semiconductor materials, which range from classical silicon …

Mapping light-dressed Floquet bands by highly nonlinear optical excitations and valley polarization

A Galler, A Rubio, O Neufeld - The Journal of Physical Chemistry …, 2023 - ACS Publications
Ultrafast nonlinear optical phenomena in solids have been attracting a great deal of interest
as novel methodologies for the femtosecond spectroscopy of electron dynamics and control …

Photoinduced dynamics during electronic transfer from narrow to wide bandgap layers in one-dimensional heterostructured materials

Y Saida, T Gauthier, H Suzuki, S Ohmura… - Nature …, 2024 - nature.com
Electron transfer is a fundamental energy conversion process widely present in synthetic,
industrial, and natural systems. Understanding the electron transfer process is important to …

Reduced Absorption Due to Defect-Localized Interlayer Excitons in Transition-Metal Dichalcogenide–Graphene Heterostructures

D Hernangómez-Pérez, A Kleiner… - Nano …, 2023 - ACS Publications
Associating atomic vacancies to excited-state transport phenomena in two-dimensional
semiconductors demands a detailed understanding of the exciton transitions involved. We …

Band nonlinearity-enabled manipulation of Dirac nodes, Weyl cones, and valleytronics with intense linearly polarized light

O Neufeld, H Hübener, G Jotzu, U De Giovannini… - Nano Letters, 2023 - ACS Publications
We study low-frequency linearly polarized laser-dressing in materials with valley (graphene
and hexagonal-Boron-Nitride) and topological (Dirac-and Weyl-semimetals) properties. In …

Designable exciton mixing through layer alignment in WS2-graphene heterostructures

A Kleiner, D Hernangómez-Pérez… - npj 2D Materials and …, 2024 - nature.com
Optical properties of heterostructures composed of layered 2D materials, such as transition
metal dichalcogenides (TMDs) and graphene, are broadly explored. Of particular interest …

Free Carrier Auger–Meitner Recombination in Monolayer Transition Metal Dichalcogenides

J Hader, JV Moloney - Nano Letters, 2024 - ACS Publications
Microscopic many-body models based on inputs from first-principles density functional
theory are used to calculate the carrier losses due to free carrier Auger–Meitner …

Nonlinear Nano‐Imaging of Interlayer Coupling in 2D Graphene‐Semiconductor Heterostructures

W Luo, R Song, BG Whetten, D Huang, X Cheng… - Small, 2024 - Wiley Online Library
The emergent electronic, spin, and other quantum properties of 2D heterostructures of
graphene and transition metal dichalcogenides are controlled by the underlying interlayer …

Tunability of the Energy Transfer Process in Type-II Heterostructures

Y Li, Y Zeng, Z Ou, W Dai, C Wang, Z Li, W Li… - ACS …, 2024 - ACS Publications
The modulation of energy transfer processes in transition metal dichalcogenide
heterostructures signifies a promising avenue for the precise control of energy distribution …