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 …

Real-time time-dependent electronic structure theory

X Li, N Govind, C Isborn, AE DePrince III… - Chemical …, 2020 - ACS Publications
Real-time electronic structure methods provide an unprecedented view of electron dynamics
and ultrafast spectroscopy on the atto-and femtosecond time scale with vast potential to yield …

Ab initio nonadiabatic molecular dynamics of charge carriers in metal halide perovskites

W Li, Y She, AS Vasenko, OV Prezhdo - Nanoscale, 2021 - pubs.rsc.org
Photoinduced nonequilibrium processes in nanoscale materials play key roles in
photovoltaic and photocatalytic applications. This review summarizes recent theoretical …

Light-induced complete reversal of ferroelectric polarization in sliding ferroelectrics

Q Yang, S Meng - Physical Review Letters, 2024 - APS
Previous experiments have provided evidence of sliding ferroelectricity and photoexcited
interlayer shear displacement in two-dimensional materials, respectively. Herein, we find …

[HTML][HTML] Theoretical insights into ultrafast dynamics in quantum materials

M Guan, D Chen, S Hu, H Zhao, P You, S Meng - Ultrafast science, 2022 - spj.science.org
The last few decades have witnessed the extraordinary advances in theoretical and
experimental tools, which have enabled the manipulation and monitoring of ultrafast …

Optical Control of Multistage Phase Transition via Phonon Coupling in

MX Guan, XB Liu, DQ Chen, XY Li, YP Qi, Q Yang… - Physical Review Letters, 2022 - APS
The temporal characters of laser-driven phase transition from 2 H to 1 T′ has been
investigated in the prototype MoTe 2 monolayer. This process is found to be induced by …

Correlated electron–nuclear dynamics of photoinduced water dissociation on rutile TiO2

P You, D Chen, X Liu, C Zhang, A Selloni, S Meng - Nature Materials, 2024 - nature.com
Elucidating the mechanism of photoinduced water splitting on TiO2 is important for
advancing the understanding of photocatalysis and the ability to control photocatalytic …

Decoupled ultrafast electronic and structural phase transitions in photoexcited monoclinic VO2

J Xu, D Chen, S Meng - Science Advances, 2022 - science.org
Photoexcitation has emerged as an efficient way to trigger phase transitions in strongly
correlated materials. There are great controversies about the atomistic mechanisms of …

Cu2O/BiVO4 heterostructure controllably triggers radical and non-radical persulfate activation via light “on-off” for efficient organic contaminants degradation

C Bai, W Guo, Q Liu, G Li, S Guo, R Chen - Applied Catalysis B …, 2024 - Elsevier
The regulation of peroxydisulfate (PDS) activation pathway is crucial for its practical
application in complicated water matrix. In this work, we have developed a Cu 2 O/BiVO 4 …

Giant acceleration of polaron transport by ultrafast laser-induced coherent phonons

HM Wang, XB Liu, SQ Hu, DQ Chen, Q Chen… - Science …, 2023 - science.org
Polaron formation is ubiquitous in polarized materials, but severely hampers carrier
transport for which effective controlling methods are urgently needed. Here, we show that …