An X-ray free-electron laser (XFEL) is an X-ray produced by a beam of free electrons that have been accelerated almost to the speed of light. XFELs produce laser beams with exceedingly high peak power intensity, which makes ...
Optics & Photonics
Dec 19, 2018
0
14
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
Researchers from the MPSD's Department of Atomically Resolved Dynamics at the Center for Free-Electron Laser Science, the Centre for Ultrafast Imaging (all in Hamburg), the University of Toronto in Canada and the ETH in Zurich, ...
Analytical Chemistry
Nov 2, 2018
0
25
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
Rice University scientists used a rapidly pulsing X-ray laser to show how drug-resistant tuberculosis bacteria deactivate the antibiotic molecules intended to treat the deadly lung disease.
General Physics
Jun 4, 2018
0
38
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
Scientists have used a powerful X-ray laser to heat water from room temperature to 100,000 degrees Celsius in less than a 10th of a picosecond (millionth of a millionth of a second). The experimental setup, which can be seen ...
Condensed Matter
May 14, 2018
4
1975
Water is an essential ingredient for life as we know it, making up more than half of the adult human body and up to 90 percent of some other living things. But scientists trying to examine tiny biological samples with certain ...
General Physics
Apr 27, 2018
0
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