Attosecond electron microscopy and diffraction

D Hui, H Alqattan, M Sennary, NV Golubev… - Science …, 2024 - science.org
Advances in attosecond spectroscopy have enabled tracing and controlling the electron
motion dynamics in matter, although they have yielded insufficient information about the …

Ultrafast molecular movies: Probing chemical dynamics with femtosecond electron and X-ray diffraction

Q Wang, L Yun, J Yang - CCS Chemistry, 2024 - chinesechemsoc.org
Understanding the process of chemical reactions has always been a relentless pursuit for
chemists. The development of femtosecond pump-probe techniques since the 1980s has …

Attosecond electron-beam technology: a review of recent progress

Y Morimoto - Microscopy, 2023 - academic.oup.com
Electron microscopy and diffraction with ultrashort pulsed electron beams are capable of
imaging transient phenomena with the combined ultrafast temporal and atomic-scale spatial …

Ultrafast Picometer-Resolved Molecular Structure Imaging by Laser-Induced High-Order Harmonics

L He, CH Yuen, Y He, S Sun, E Goetz, AT Le, Y Deng… - Physical Review Letters, 2024 - APS
Real-time visualization of molecular transformations is a captivating yet challenging frontier
of ultrafast optical science and physical chemistry. While ultrafast x-ray and electron …

Femtosecond electronic and hydrogen structural dynamics in ammonia imaged with ultrafast electron diffraction

EG Champenois, NH List, M Ware, M Britton… - Physical Review Letters, 2023 - APS
Directly imaging structural dynamics involving hydrogen atoms by ultrafast diffraction
methods is complicated by their low scattering cross sections. Here we demonstrate that …

Monitoring the evolution of relative product populations at early times during a photochemical reaction

JP Figueira Nunes, LM Ibele, S Pathak… - Journal of the …, 2024 - ACS Publications
Identifying multiple rival reaction products and transient species formed during ultrafast
photochemical reactions and determining their time-evolving relative populations are key …

[HTML][HTML] Relativistic ultrafast electron diffraction at high repetition rates

KM Siddiqui, DB Durham, F Cropp, F Ji… - Structural …, 2023 - pubs.aip.org
The ability to resolve the dynamics of matter on its native temporal and spatial scales
constitutes a key challenge and convergent theme across chemistry, biology, and materials …

[HTML][HTML] A MASH simulation of the photoexcited dynamics of cyclobutanone

JE Lawrence, IM Ansari, JR Mannouch… - The Journal of …, 2024 - pubs.aip.org
In response to a community prediction challenge, we simulate the nonadiabatic dynamics of
cyclobutanone using the map** approach to surface hop** (MASH). We consider the …

Prediction of photodynamics of 200 nm excited cyclobutanone with linear response electronic structure and ab initio multiple spawning

D Hait, D Lahana, OJ Fajen, ASP Paz… - The Journal of …, 2024 - pubs.aip.org
Simulations of photochemical reaction dynamics have been a challenge to the theoretical
chemistry community for some time. In an effort to determine the predictive character of …

Including photoexcitation explicitly in trajectory-based nonadiabatic dynamics at no cost

J Janoš, P Slavíček… - The Journal of Physical …, 2024 - ACS Publications
Over the last decades, theoretical photochemistry has produced multiple techniques to
simulate the nonadiabatic dynamics of molecules. Surprisingly, much less effort has been …