Science Highlights

The benchmark catalyst Fe(CO)5 is irradiated with ultraviolet light, causing it to lose one of its five carbon monoxide groups.

Scientists Track Ultrafast Formation of Catalyst with X-ray Laser

First-of-its-kind measurements provide insights on reactions that could one day turn sunlight and water into fuels.

The top figure shows the energy/time distribution of the twin bunches measured with an X-band transverse deflector.

Two-color X-rays Give Scientists 3-D View of the Unknown

Pairs of precisely tuned X-ray pulses uncover ultrafast processes and previously unmapped structures.

Nucleobases (shown here is thymine) encode genetic information inside DNA.

Molecular Sunscreen: How DNA Protects Itself from UV Light

X-ray pulses from the Linac Coherent Light Source probe the molecular dynamics of photoexcitation.

A series of x-ray scattering images are taken at ultrafast time intervals with an x-ray laser after excitation with an infra-red source that energizes the vibrational modes of a Germanium crystal.

X-ray Laser Used to Produce Movies of Atomic-scale Motion

Stroboscopic x-ray pulses scatter from a vibrating crystal and reveal how energy moves.

The figure shows measured electron bunch images with lasing suppressed (top left) and full lasing (right).

Making the Old New Again: Measuring Ultrashort X-ray Laser Pulses

Researchers have developed a powerful new diagnostic tool for the Linac Coherent Light Source (LCLS) with femtosecond resolution.

The weak signal of two gadolinium ions - shown as brilliant spheres - was used to solve the high resolution crystal structure of the model protein lysozyme.

Solving Protein Structures from Scratch

A novel tool to determine the structure of difficult to crystallize proteins.

Image of simulated soot particle courtesy of N. D. Loh and A. Freeberg, SLAC National Accelerator Laboratory.

More Than Meets the Eye: X-ray Vision Exposes Aerosol Structures

Soot particle diversity and complexity discovered using ultrafast x-rays at the Linac Coherent Light Source (LCLS).

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