7-Oct-2015 Laser spectroscopy of ultrathin semiconductor reveals rise of 'trion' quasiparticles
Scientists at the Department of Energy's Oak Ridge National Laboratory used ultrafast laser spectroscopy at the Center for Nanophase Materials Sciences to demystify the dynamics of the negative trions. They explored the behavior of the charged quasiparticle in a two-dimensional semiconductor that is an excellent absorber of sunlight. Their insights, published in the journal Physical Review B, may prove important for advancing technologies for solar energy and quantum computing.
7-Oct-2015 Veljko Radeka shares inaugural APS Division of Particles and Fields Instrumentation Award
The inaugural American Physical Society (APS) Division of Particles and Fields Instrumentation Award has been presented jointly to David Nygren of the University of Texas at Arlington and Veljko Radeka of the US Department of Energy's Brookhaven National Laboratory. Nygren and Radeka received the award during the APS 'New Technologies for Discovery' Workshop on Oct. 5, 2015, at the University of Texas at Arlington.
7-Oct-2015 Brookhaven Lab's links to 2015 Nobel Prize in Physics
The US Department of Energy's (DOE) Brookhaven National Laboratory joins in the worldwide celebration of physicists Takaaki Kajita and Arthur B. McDonald, who were awarded the 2015 Nobel Prize in physics for their roles in demonstrating the 'flavor-changing' property of neutrinos. Brookhaven Lab scientists made important contributions to both of these neutrino experiments, fueled by the Lab's legacy in the study of these abundant yet elusive subatomic particles.
5-Oct-2015 DOE announces funding for new center for computational materials sciences at Brookhaven Lab
The US Department of Energy (DOE) has announced $12 million in funding over the next four years for a new Center for Computational Design of Functional Strongly Correlated Materials and Theoretical Spectroscopy at Brookhaven National Laboratory and Rutgers University. Center scientists will develop next-generation methods and software to accurately describe electronic properties in complex strongly correlated materials, as well as a companion database to predict targeted properties with energy-related application to thermoelectric materials.
29-Sep-2015 Titan helps unpuzzle decades-old plutonium perplexities
First produced in 1940, plutonium is one of the most electronically complicated elements on Earth -- and because of its complexities, scientists have been struggling to prove the existence of its magnetic properties ever since. Finally, that struggle is over, thanks to a timely combination of theory, algorithm and code developments, neutrons experiments, and Titan -- the second-most-powerful supercomputer in the world.
25-Sep-2015 Feng Lin wins Spicer Award for smart window, battery research
Feng Lin, a former postdoctoral researcher at Lawrence Berkeley National Laboratory, has been selected to receive the annual William E. and Diane M. Spicer Young Investigator Award for X-ray experiments at the Department of Energy's SLAC National Accelerator Laboratory that led to new approaches in the design of energy-efficient, color-changing 'smart' windows and high-capacity lithium-ion batteries.
24-Sep-2015 Los Alamos explores hybrid ultrasmall gold nanocluster for enzymatic fuel cells
With fossil-fuel sources dwindling, better biofuel cell design is a strong candidate in the energy field. In research published in the Journal of the American Chemical Society, Los Alamos researchers and external collaborators synthesized and characterized a new DNA-templated gold nanocluster (AuNC) that could resolve a critical methodological barrier for efficient biofuel cell design.
23-Sep-2015 Mysterious neutrinos take the stage at SLAC
To find out more about the elusive particles and their potential links to cosmic evolution, invisible dark matter and matter's dominance over antimatter in the universe, the Department of Energy's SLAC National Accelerator Laboratory is taking on key roles in four neutrino experiments: EXO, DUNE, MicroBooNE and ICARUS.
23-Sep-2015 Muon g-2 magnet successfully cooled down and powered up
Two years ago, scientists on the Muon g-2 experiment successfully brought a fragile, expensive and complex 17-ton electromagnet on a 3,200-mile land and sea trek from Brookhaven National Laboratory in New York to Fermilab in Illinois. This week, the ring -- now installed in a new, specially designed building at Fermilab -- was successfully cooled down to operating temperature (minus 450 degrees Fahrenheit) and powered up, proving that even after a decade of inactivity, it remains a vital and viable scientific instrument.
14-Sep-2015 Scientists use lasers to simulate shock effects of meteorite impact on silica
Scientists used high-power laser beams at the Department of Energy's SLAC National Accelerator Laboratory to simulate the shock effects of a meteorite impact in silica, one of the most abundant materials in the Earth's crust. They observed, for the first time, its shockingly fast transformation into the mineral stishovite -- a rare, extremely hard and dense form of silica.
8-Sep-2015 Making the most from carbon in plants
Researchers are looking for more effective ways to get at all the carbon in biomass to create more energy and biochemicals. However, a lot of the carbon is in lignin -- support tissues in plants, which makes up about a third of the biomass. International teams of scientists are utilizing EMSL's expertise and capabilities to better understand how lignin can be efficiently deconstructed to release its carbon for a more renewable and sustainable energy future.
4-Sep-2015 Fortifying computer chips for space travel
One of the most long-lived and active space-chip testing programs is at the Berkeley Lab. Since 1979, most American satellites and many major NASA projects including the Mars Rover Curiosity, the space shuttles, and the new Orion capsule, have had one or more electronic components go through Berkeley Lab's cyclotron.
3-Sep-2015 Researchers see 'spin current' in motion for the first time
Researchers at the Department of Energy's SLAC National Accelerator Laboratory have for the first time seen a spin current -- an inherent magnetic property common to all electrons -- as it travels across materials. The result, which revealed a surprising loss of current along the way, is an important step toward realizing a next-generation breed of electronics known as 'spintronics.'
21-Aug-2015 Brookhaven summer intern reveals the cutting edge of NSLS-II
This summer, DOE's Science Undergraduate Laboratory Internship program paired Bozeat with NSLS-II engineer Christopher Eng, who enlisted the student's help in designing the magnet assemblies that comprise NSLS-II's undulators -- devices that wiggle the electron beam to emit brighter X-rays.
14-Aug-2015 The critical second: CMI's second year doubles research milestones
The Department of Energy's Critical Materials Institute, led by Ames Laboratory, has more than doubled its research accomplishments in its second year, bringing the total number of invention disclosures to 34. The CMI addresses possible of shortages in rare-earth and other materials necessary for clean energy technologies like wind turbines, electric vehicles, efficient lighting, advanced batteries, and other products used by Americans every day.
13-Aug-2015 The pressure is on
Researchers with Oak Ridge National Laboratory's Spallation Neutron Source have developed technology to squeeze materials with a million times the pressure of the earth's atmosphere while studying them with neutrons. When they bombard these materials with neutrons, the materials provide an unprecedented picture of the changing nature of matter under extreme pressure.
12-Aug-2015 Microscopic rake doubles efficiency of low-cost solar cells
Researchers from the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have developed a manufacturing technique that could double the electricity output of inexpensive solar cells by using a microscopic rake when applying light-harvesting polymers.
11-Aug-2015 Eyes on the prize
Recently, the Department of Energy Office of Science's Nanoscale Science Research Centers at Argonne, Brookhaven, Lawrence Berkeley, Los Alamos/Sandia and Oak Ridge national laboratories jointly organized a workshop at Oak Ridge National Laboratory to discuss opportunities and challenges as imaging and data sciences merge. Those efforts will likely aid the Materials Genome Initiative, which aims to speed new materials to the global marketplace.
5-Aug-2015 SLAC builds one of the world's fastest 'electron cameras'
A new scientific instrument at the Department of Energy's SLAC National Accelerator Laboratory promises to capture some of nature's speediest processes. It uses a method known as ultrafast electron diffraction (UED) and can reveal motions of electrons and atomic nuclei within molecules that take place in less than a tenth of a trillionth of a second -- information that will benefit groundbreaking research in materials science, chemistry and biology.
28-Jul-2015 Rigors of the road: ORNL invention will support licensing and transport of spent nuclear fuel
With support from the US Nuclear Regulatory Commission, researchers at the Department of Energy's Oak Ridge National Laboratory have devised the Cyclic Integrated Reversible-bending Fatigue Tester. Combined with ongoing fuel transportation research, data from the CIRFT system will help facilitate cask designs and transportation protocols that ensure safe transportation of spent nuclear fuel.
27-Jul-2015 Brookhaven Lab summer school helps develop tomorrow's nuclear chemistry experts
For the past six weeks, 12 college students have had the opportunity to learn all that the US Department of Energy's (DOE) Brookhaven National Laboratory has to teach about a vital but often overlooked area of chemistry -- one that spans everything from nuclear reactors and the safe handling of nuclear material to hospital diagnostic tools and cutting-edge medical research.
The Department of Energy's Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of the most pressing challenges of our time.