Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

Advances in FEL technologies have contributed remarkably to various scientific fields over
the past decade, and ultrafast molecular dynamics is no exception. The ability to probe …

Simultaneous observation of nuclear and electronic motion is crucial for a complete
understanding of molecular dynamics in excited electronic states. It is challenging for a …

Directly imaging structural dynamics involving hydrogen atoms by ultrafast diffraction
methods is complicated by their low scattering cross sections. Here we demonstrate that …

Identifying multiple rival reaction products and transient species formed during ultrafast
photochemical reactions and determining their time-evolving relative populations are key …

Conformational isomers (conformers) of molecules play a decisive role in biology and
organic chemistry. However, experimental methods for investigating chemical reaction …

For many chemical reactions, it remains notoriously difficult to predict and experimentally
determine the rates and branching ratios between different reaction channels. This is …

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 …

Ubiquitous to most molecular scattering methods is the challenge to retrieve bond distance
and angle from the scattering signals since this requires convergence of pattern matching …

Imaging the structure of molecules during a photoinduced reaction is essential for
elucidating reaction mechanisms. This requires high spatiotemporal resolution to capture …