One of the most important fundamental questions connecting chemistry to biology is how
chemistry scales in complexity up to biological systems where there are innumerable …

Tracking electron motion in molecules is the key to understanding and controlling chemical
transformations. Contemporary techniques in attosecond science are able to generate and …

The use of short photoelectron pulses, pioneered in the 1980s, opened up the possibility of
studying structural dynamics with high spatiotemporal resolution. The combination of nano …

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 …

Electronic coherences are key to understanding and controlling photoinduced molecular
transformations. We identify a crucial quantum-mechanical feature of electron-nuclear …

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 …

The requirement of high space-time resolution and brightness is a great challenge for
imaging atomic motion and making molecular movies. Important breakthroughs in ultrabright …

Ultrafast electron diffraction and time-resolved serial crystallography are the basis of the
ongoing revolution in capturing at the atomic level of detail the structural dynamics of …

Given their nanoscale dimensions, colloidal semiconductor nanocrystals provide unique
systems for investigating the dynamics controlling surface chemistry and fundamental issues …

Using a compact diffractometer that was equipped with a pulsed electron source
synchronized with a femtosecond laser, a series of investigations of laser-stimulated …