Twist Angle-Dependent Intervalley Charge Carrier Transfer and Recombination in Bilayer WS2

Y Zhu, OV Prezhdo, R Long… - Journal of the American …, 2023 - ACS Publications
A twist angle at a van der Waals junction provides a handle to tune its optoelectronic
properties for a variety of applications, and a comprehensive understanding of how the twist …

Efficient Modeling of Quantum Dynamics of Charge Carriers in Materials Using Short Nonequilibrium Molecular Dynamics

B Wang, Y Wu, D Liu, AS Vasenko… - The Journal of …, 2023 - ACS Publications
Nonadiabatic molecular dynamics provides essential insights into excited-state processes,
but it is computationally intense and simplifications are needed. The classical path …

Magnetic Structure-Dependent Ultrafast Spin Relaxation in Magnet CrI3: A Time-Domain ab Initio Study

H Lu, R Long - Nano Letters, 2024 - ACS Publications
Two-dimensional magnet CrI3 is a promising candidate for spintronic devices. Using
nonadiabatic molecular dynamics and noncollinear spin time-dependent density functional …

Three-stage ultrafast demagnetization dynamics in a monolayer ferromagnet

N Wu, S Zhang, D Chen, Y Wang, S Meng - Nature Communications, 2024 - nature.com
Intense laser pulses can be used to demagnetize a magnetic material on an extremely short
timescale. While this ultrafast demagnetization offers the potential for new magneto-optical …

Photoinduced Ultrafast Phase Transition in Bilayer CrI3

X Liu, D Legut, Q Zhang - The Journal of Physical Chemistry …, 2023 - ACS Publications
In two-dimensional magnets, the ultrafast photoexcited method represents a low-power and
high-speed method of switching magnetic states. Bilayer CrI3 (BLC) is an ideal platform for …

Lattice Distortion and Low-Frequency Anharmonic Phonons Suppress Charge Recombination in Lead Halide Perovskites upon Pseudohalide Doping: Time-Domain …

TF Lu, W Chu, S Agrawal, Z Zhang… - The Journal of Physical …, 2023 - ACS Publications
Perovskite solar cells have witnessed a surge in interest as a promising technology for low-
cost, high-efficiency photovoltaics with certified power conversion efficiencies beyond 25 …

Compression of Organic Molecules Coupled with Hydrogen Bonding Extends the Charge Carrier Lifetime in BA2SnI4

X Ma, WH Fang, R Long… - Journal of the American …, 2024 - ACS Publications
Two-dimensional (2D) metal halide perovskites, such as BA2SnI4 (BA═ CH3 (CH2) 3NH3),
exhibit an enhanced charge carrier lifetime in experiments under strain. Experiments …

Tailoring light-induced charge transfer and intersystem crossing in FeCO using time-dependent spin–orbit configuration interaction

BG Peyton, ZJ Stewart, JD Weidman… - The Journal of Chemical …, 2023 - pubs.aip.org
Real-time (RT) electronic structure methods provide a natural framework for describing light–
matter interactions in arbitrary time-dependent electromagnetic fields (EMF). Optically …

Ultrahigh Néel Temperature Antiferromagnetism and Ultrafast Laser-Controlled Demagnetization in a Dirac Nodal Line MoB3 Monolayer

Z Gao, F Ma, Z Zhu, Q Zhang, Y Liu, Y Jiao, A Du - Nano Letters, 2024 - ACS Publications
Two-dimensional (2D) antiferromagnetic (AFM) materials boasting a high Néel temperature
(TN), high carrier mobility, and fast spin response under an external field are in great …

Controlling Ultrafast Magnetization Dynamics via Coherent Phonon Excitation in a Ferromagnet Monolayer

Z Zhou, M Li, T Frauenheim, J He - Nano Letters, 2024 - ACS Publications
Exploring ultrafast magnetization control in 2D magnets via laser pulses is established, yet
the interplay between spin dynamics and the lattice remains underexplored. Utilizing real …