Ultrafast X-ray probes of elementary molecular events
Elementary events that determine photochemical outcomes and molecular functionalities
happen on the femtosecond and subfemtosecond timescales. Among the most ubiquitous …
happen on the femtosecond and subfemtosecond timescales. Among the most ubiquitous …
Attosecond electron microscopy and diffraction
Advances in attosecond spectroscopy have enabled tracing and controlling the electron
motion dynamics in matter, although they have yielded insufficient information about the …
motion dynamics in matter, although they have yielded insufficient information about the …
Imaging conical intersection dynamics during azobenzene photoisomerization by ultrafast X-ray diffraction
X-ray diffraction is routinely used for structure determination of stationary molecular samples.
Modern X-ray photon sources, eg, from free-electron lasers, enable us to add temporal …
Modern X-ray photon sources, eg, from free-electron lasers, enable us to add temporal …
Conical intersection passages of molecules probed by X-ray diffraction and stimulated Raman spectroscopy
Conical intersections (CoIns) play an important role in ultrafast relaxation channels. Their
monitoring remains a formidable experimental challenge. We theoretically compare the …
monitoring remains a formidable experimental challenge. We theoretically compare the …
Imaging purely nuclear quantum dynamics in molecules by combined x-ray and electron diffraction
Monitoring the motions of atoms and molecules in the course of chemical processes is a
central goal of femtochemistry. Optical spectroscopic signals are usually sensitive to …
central goal of femtochemistry. Optical spectroscopic signals are usually sensitive to …
Direct monitoring of conical intersection passage via electronic coherences in twisted x-ray diffraction
Quantum coherences in electronic motions play a critical role in determining the pathways
and outcomes of virtually all photophysical and photochemical molecular processes …
and outcomes of virtually all photophysical and photochemical molecular processes …
Attosecond charge migration in molecules imaged by combined x-ray and electron diffraction
We show how ultrafast gas-phase X-ray and electron diffraction signals can be combined to
generate real-space movies of charge migration dynamics in molecules. Charge migration …
generate real-space movies of charge migration dynamics in molecules. Charge migration …
Diffractive imaging of conical intersections amplified by resonant infrared fields
The fate of virtually all photochemical reactions is determined by conical intersections.
These are energetically degenerate regions of molecular potential energy surfaces that …
These are energetically degenerate regions of molecular potential energy surfaces that …
Time-resolved x-ray scattering of excited state structure and dynamics
Directly observing atomic motions in molecules during chemical dynamics has long
constituted one of the grand challenges in chemistry. 1 The emergence of X-ray free …
constituted one of the grand challenges in chemistry. 1 The emergence of X-ray free …
Coupled electronic and nuclear motions during azobenzene photoisomerization monitored by ultrafast electron diffraction
Ultrafast electron diffraction is a powerful technique that can resolve molecular structures
with femtosecond and angstrom resolutions. We demonstrate theoretically how it can be …
with femtosecond and angstrom resolutions. We demonstrate theoretically how it can be …