Navigation Links
In the blink of an eye: X-ray imaging on the attosecond timescale
Date:2/17/2013

In the blink of an eye, more attoseconds have expired than the age of Earth measured in minutes. A lot more. To be precise, an attosecond is one billionth of a billionth of a second. The attosecond timescale is where you must go to study the electron action that is the starting point of all of chemistry. Not surprisingly, chemists are most eager to explore it with X-rays, the region of the electromagnetic spectrum that can probe the core electrons of atoms, the electrons that uniquely identify atomic species.

Heralded as the science of the 21st century by Science and The Economist, attosecond science is a new frontier of molecular and material science. It is expected to catalyze novel applications in a wide range of fields such as nanotechnology and life sciences, based on the ultimate visualization and control of the quantum nature of the electron.

Ali Belkacem, a chemist with the Lawrence Berkeley National Laboratory, has been using powerful laboratory-scale lasers to test whether multidimensional nonlinear x-ray spectroscopy on the attosecond timescale is practical for the light sources of the future and just what combination of beam characteristics is needed to define them.

"Chemistry is inherently dynamical," he has said. "That means, to make inroads in understanding and ultimately controlling chemical reactions we have to understand how atoms combine to form molecules; how electrons and nuclei couple; how molecules interact, react, and transform; how electrical charges flow; and how different forms of energy move within a molecule or across molecular boundaries. Most importantly, we have to know how all these things behave in a correlated way, dynamically in time and space, both at the electron and atomic levels."

Belkacem will give a presentation at the 2013 AAAS annual meeting in Boston titled "Attosecond Science for Steering Chemical Reactions." The talk is part of the panel session titled "Attosecond Science in Chemical, Molecular Imaging, Spintronics, and Energy Science," which is scheduled for February 17, from 8:30 AM to 11:30 AM in Room 306 of the Hynes Convention Center.


'/>"/>

Contact: Jon Weiner
jrweiner@lbl.gov
510-486-4014
DOE/Lawrence Berkeley National Laboratory
Source:Eurekalert

Related biology news :

1. Dental X-rays linked to common brain tumor
2. Stanford-SLAC team uses X-ray imaging to observe running batteries in action
3. Speed and power of X-ray laser helps unlock molecular mysteries
4. Low-cost carbon capture gets X-rayed
5. X-rays reveal the self-defence mechanisms of bacteria
6. Study provides recipe for supercharging atoms with X-ray laser
7. X-ray laser helps slay parasite that causes sleeping sickness
8. Scientists reassemble the backbone of life with a particle acceleratorynchrotron X-rays
9. X-rays reveal uptake of nanoparticles by soya bean crops
10. Improved X-ray microscopic imaging
11. A dual look at photosystem II using the worlds most powerful X-ray laser
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/9/2016)... DUBAI , UAE, May 9, 2016 ... choice when it comes to expanding freedom for high ... Even in today,s globally connected world, there ... online conferencing system could ever duplicate sealing your deal ... are obtaining second passports by taking advantage of citizenship ...
(Date:4/28/2016)... and BANGALORE, India , April 28, ... Systems, a product subsidiary of Infosys (NYSE: INFY ... announced a global partnership that will provide end ... use mobile banking and payment services.      (Logo: ... key innovation area for financial services, but it also plays ...
(Date:4/26/2016)... and LONDON , April ... part of EdgeVerve Systems, a product subsidiary of ... today announced a partnership to integrate the Onegini ...      (Logo: http://photos.prnewswire.com/prnh/20151104/283829LOGO ) ... their customers enhanced security to access and transact ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... 23, 2016 Houston Methodist Willowbrook Hospital ... Sports Association to serve as their official health ... Methodist Willowbrook will provide sponsorship support, athletic training ... association coaches, volunteers, athletes and families. ... Sports Association and to bring Houston Methodist quality ...
(Date:6/23/2016)... ... June 23, 2016 , ... Supplyframe, the Industry Network for ... Design Lab . Located in Pasadena, Calif., the Design Lab’s mission is to ... are designed, built and brought to market. , The Design Lab is Supplyframe’s ...
(Date:6/23/2016)... Andrew D Zelenetz ... Published recently in Oncology ... touchONCOLOGY, Andrew D Zelenetz , discusses the ... is placing an increasing burden on healthcare systems ... With the patents on many biologics expiring, interest ...
(Date:6/23/2016)... -- Amgen (NASDAQ: AMGN ) today announced a ... sciences incubator to accelerate the development of new therapies ... QB3@953 was created to help high-potential life science and ... stage organizations - access to laboratory infrastructure. ... "Amgen Golden Ticket" awards, providing each winner with one ...
Breaking Biology Technology: