Hitting a material with laser light sends vibrations rippling through its latticework of atoms, and at the same time can nudge the lattice into a new configuration with potentially useful properties – turning an insulator ...
General Physics
Nov 6, 2018
2
461
For the development of new medicinal agents, accurate knowledge of biological processes in the body is a prerequisite. Here proteins play a crucial role. At the Paul Scherrer Institute PSI, the X-ray free-electron laser SwissFEL ...
Biochemistry
Oct 10, 2018
0
5
When light pulses from an extremely powerful laser system are fired onto material samples, the electric field of the light rips the electrons off the atomic nuclei. For fractions of a second, a plasma is created. The electrons ...
Optics & Photonics
Sep 19, 2018
0
40
A team of researchers from the Helmholtz-Zentrum Berlin (HZB) and the University of Potsdam has investigated heat transport in a model system comprising nanometre-thin metallic and magnetic layers. Similar systems are candidates ...
General Physics
Aug 22, 2018
0
4
Tuberculosis, a lung disease that spreads in the air through coughs or sneezes, now kills more people worldwide than any other infectious agent, according to the World Health Organization's latest global tuberculosis report. ...
Biochemistry
Jun 1, 2018
1
25
Studying the fleeting actions of electrons in organic materials will now be much easier, thanks to a new method for generating fast X-rays.
Optics & Photonics
May 11, 2018
1
249
Reactions in solar panels, catalytic converters, and other devices are governed by the quick motion of electrons. To capture the movement of these electrons, scientists use pulses of extremely high energy x-rays. The challenge ...
Optics & Photonics
Apr 10, 2018
0
12
Every powerful X-ray pulse produced for experiments at a next-generation laser project, now under construction, will start with a "spark" – a burst of electrons emitted when a pulse of ultraviolet light strikes a 1-millimeter-wide ...
General Physics
Jan 23, 2018
6
45
Accelerator experts at the Department of Energy's SLAC National Accelerator Laboratory are developing ways to make the most powerful X-ray laser better than ever. They have created the world's shortest X-ray pulses for capturing ...
General Physics
Dec 19, 2017
0
20
A research team at the Department of Energy's SLAC National Accelerator Laboratory is using the Linac Coherent Light Source (LCLS) to study an enzyme found in plants, bacteria and some animals that repairs DNA damage caused ...
Analytical Chemistry
Dec 5, 2017
0
31
