Ultrafast photo-induced processes in complex environments: The role of accuracy in excited-state energy potentials and initial conditions

A Petrone, F Perrella, F Coppola, L Crisci… - Chemical Physics …, 2022 - pubs.aip.org
Light induces non-equilibrium time evolving molecular phenomena. The computational
modeling of photo-induced processes in large systems, embedded in complex environments …

Reinvented: An Attosecond Chemist

SR Leone - Annual Review of Physical Chemistry, 2023 - annualreviews.org
Attosecond science requires a substantial rethinking of how to make measurements on very
short timescales; how to acquire the necessary equipment, technology, and personnel; and …

Electronic and structural fingerprints of charge-density-wave excitations in extreme ultraviolet transient absorption spectroscopy

T Heinrich, HT Chang, S Zayko, K Rossnagel, M Sivis… - Physical Review X, 2023 - APS
Femtosecond core-level transient absorption spectroscopy is utilized to investigate
photoinduced dynamics of the charge density wave in 1 T-TiSe 2 at the Ti M 2, 3 edge (32 …

Spin dynamics across metallic layers on the few-femtosecond timescale

R Géneaux, HT Chang, A Guggenmos, R Delaunay… - Physical Review Letters, 2024 - APS
We measure the light-driven response of a magnetic multilayer structure made of thin
alternating layers of cobalt and platinum at the few-femtosecond timescale. Using …

[HTML][HTML] Toward ultrafast soft x-ray spectroscopy of organic photovoltaic devices

D Garratt, M Matthews, J Marangos - Structural Dynamics, 2024 - pubs.aip.org
Novel ultrafast x-ray sources based on high harmonic generation and at x-ray free electron
lasers are opening up new opportunities to resolve complex ultrafast processes in …

[HTML][HTML] Characterizing coherences in chemical dynamics with attosecond time-resolved x-ray absorption spectroscopy

Y Kobayashi, SR Leone - The Journal of Chemical Physics, 2022 - pubs.aip.org
Coherence can drive wave-like motion of electrons and nuclei in photoexcited systems,
which can yield fast and efficient ways to exert materials' functionalities beyond the …

Ultrafast electron localization and screening in a transition metal dichalcogenide

Z Schumacher, SA Sato, S Neb… - Proceedings of the …, 2023 - National Acad Sciences
The coupling of light to electrical charge carriers in semiconductors is the foundation of
many technological applications. Attosecond transient absorption spectroscopy measures …

[HTML][HTML] Attosecond absorption and reflection spectroscopy of solids

N Di Palo, G Inzani, GL Dolso, M Talarico, S Bonetti… - APL Photonics, 2024 - pubs.aip.org
Since their introduction, all-optical spectroscopy techniques based on attosecond radiation
have gained the attention of the scientific community because of their energy and time …

The attoscience of strong-field-driven solids

SM Cavaletto, KM Kowalczyk, FO Navarrete… - Nature Reviews …, 2024 - nature.com
The ultrafast dynamics of electrons in solid-state systems have garnered considerable
attention recently, driven by technological advancements in the generation of short laser …

Charge carrier screening in photoexcited epitaxial semiconductor nanorods revealed by transient x-ray absorption linear dichroism

TC Rossi, CP Dykstra, TN Haddock, R Wallick… - Nano Letters, 2021 - ACS Publications
Understanding the electronic structure and dynamics of semiconducting nanomaterials at
the atomic level is crucial for the realization and optimization of devices in solar energy …