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Features Archive


Showing stories 26-50 out of 163 stories.
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28-Apr-2015
Direct visualization of magnetoelectric domains
A novel microscopy technique called magnetoelectric force microscopy was developed to detect the local cross-coupling between magnetic and electric dipoles. Combined experimental observation and theoretical modeling provide understanding on how a bulk linear magnetoelectric effect can be realized in a new family of materials.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/US Department of Energy

28-Apr-2015
STAR heavy flavor tracker detects signs of charm at RHIC
Nuclear physicists at the Relativistic Heavy Ion Collider can now detect rare, elusive heavy quark particles using the Heavy Flavor Tracker, a new component installed as part of the STAR experiment.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/US Department of Energy

27-Apr-2015
Unexpected success
While experimenting with a heat treatment process he modified by eliminating a couple of steps, Klett made a discovery that caused quite a stir and prompted hundreds of inquiries from scientists, academia and industry.

Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory

27-Apr-2015
Sticky fingers
Researcher applies materials science techniques to the field of forensics, and some of her research has helped crime scene investigators rebuild fingerprints after they have faded over time.

Contact: Ron Walli
wallira@ornl.gov
865-576-0226
DOE/Oak Ridge National Laboratory

27-Apr-2015
Insulator-to-metal transition of vanadium dioxide
When heated to just above room temperature, the electrical conductivity of vanadium dioxide abruptly increases by a factor of 10,000. Experiments and high-performance computation reveal how the unusually large lattice vibrations stabilize this highly conductive metallic phase.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/US Department of Energy

24-Apr-2015
Spontaneous formation of biomimetic, nanoporous membrane channels
For the first time, spontaneous insertion of carbon nanotubes into natural as well as synthetic cell membranes to form pores that mimic biological channels has been demonstrated.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/US Department of Energy

23-Apr-2015
Optimizing atomic neighborhoods for speedier chemical reactions
Scientists have discovered that for palladium-nickel catalysts, certain surface characteristics, measured at the atomic level, sped the creation of carbon dioxide from carbon monoxide. This type of atomic detail has not been available by traditional studies and can aid the cycle of catalyst design by optimizing for structural parameters at the nearest neighbor level of an atomic environment.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/US Department of Energy

22-Apr-2015
ICARUS neutrino experiment to move to Fermilab
A group of scientists led by Nobel laureate Carlo Rubbia will transport the world's largest liquid-argon neutrino detector across the Atlantic Ocean to its new home at the US Department of Energy's Fermi National Accelerator Laboratory.

Contact: Andre Salles
media@fnal.gov
630-840-3351
DOE/Fermi National Accelerator Laboratory

22-Apr-2015
Multimetal nanoframes improve catalyst performance
Researchers synthesized a highly active and durable class of electrocatalysts by exploiting the structural evolution of solid Pt-Ni bimetallic nanocrystals into porous cage-like structures or nanoframes. This approach to synthesizing the material is a significant advance towards realizing electrocatalysts with superior catalytic properties and lower cost.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/US Department of Energy

20-Apr-2015
SLAC and Stanford's James D. Bjorken receives 2015 High Energy and Particle Physics Prize
James D. Bjorken, a theoretical physicist and professor emeritus at the Department of Energy's SLAC National Accelerator Laboratory and at Stanford University, has been awarded the 2015 High Energy and Particle Physics Prize of the European Physical Society. Along with four other scientists, he was honored for theoretical work that revolutionized our understanding of the internal structure of the proton.

Contact: Andrew Gordon
agordon@slac.stanford.edu
650-926-2282
DOE/SLAC National Accelerator Laboratory

17-Apr-2015
A potential Rosetta Stone of high temperature superconductivity
An international team led by scientists at Los Alamos National Laboratory discovered a potential Rosetta Stone of high-temperature superconductivity.

Contact: Kristin Manke
kristin.manke@science.doe.gov
DOE/Los Alamos National Laboratory

15-Apr-2015
Electrolyte genome could be battery game-changer
Lawrence Berkeley National Laboratory scientist Kristin Persson says she can take some of the guesswork out of the electrolyte discovery process with her Electrolyte Genome.

Contact: Julie Chao
JHChao@lbl.gov
510-486-6491
DOE/Lawrence Berkeley National Laboratory

13-Apr-2015
Researchers create a new map of invisible dark matter
Scientists on the Dark Energy Survey, including researchers from the Department of Energy's SLAC National Accelerator Laboratory, have released the first in a series of dark matter maps of the cosmos. These maps, created with one of the world's most powerful digital cameras, are the largest contiguous maps created at this level of detail, and will improve our understanding of dark matter's role in the formation of galaxies.

Contact: Andrew Gordon
agordon@slac.stanford.edu
650-926-2282
DOE/SLAC National Accelerator Laboratory

13-Apr-2015
Long-sought magnetic mechanism observed in exotic hybrid materials
Scientists have measured the subatomic intricacies of an exotic phenomenon first predicted more than 60 years ago. This so-called van Vleck magnetism is the key to harnessing the quantum quirks of topological insulators -- hybrid materials that are both conducting and insulating -- and could lead to unprecedented electronics.

Contact: Justin Eure
jeure@bnl.gov
631-344-2347
DOE/Brookhaven National Laboratory

6-Apr-2015
'Explosive' atom movement is new window into growing metal nanostructures
Scientists at the US Department of Energy's Ames Laboratory expected to see slow, random movement when they dropped lead atoms on a lead-on-silicon surface. 'But what we saw? BOOM! Fast, explosive and organized!' said Michael Tringides, Ames Laboratory physicist. The unusual atom movement may represent a new way to grow perfect, tiny metal nanostructures for nanostransistors, nanoswitches, and nanomagnets.

Contact: Breehan Gerleman Lucchesi
breehan@ameslab.gov
515-294-9750
DOE/Ames Laboratory

1-Apr-2015
Scientists track ultrafast creation of a catalyst with X-ray laser
An international team has for the first time precisely tracked the surprisingly rapid process by which light rearranges the outermost electrons of a metal compound and turns it into an active catalyst -- a substance that promotes chemical reactions.

Contact: Andrew Gordon
agordon@slac.stanford.edu
650-926-2282
DOE/SLAC National Accelerator Laboratory

25-Mar-2015
Protein shake-up
For living organisms proteins are an essential part of their body system and are needed to thrive. In recent years, a certain class of proteins has challenged researchers' conventional notion that proteins have a static and well-defined structure.

Contact: Chris Samoray
samoraycr@ornl.gov
865-241-0709
DOE/Oak Ridge National Laboratory

25-Mar-2015
A tale of 2 colliders, 1 thesis, 2 awards -- and a physics mystery
Dennis Perepelitsa, a physicist exploring the mysteries of nuclear physics at RHIC and the LHC, has the distinction of being the first person to earn outstanding Ph.D. thesis awards from both research communities. His Ph.D. work, based on complementary data collected at the PHENIX and ATLAS detectors, showcased intriguing findings and an ongoing mystery that is guiding part of the research programs at both machines now.

Contact: Karen McNulty Walsh
kmcnulty@bnl.gov
631-344-8350
DOE/Brookhaven National Laboratory

23-Mar-2015
Experiment provides the best look yet at 'warm dense matter' at cores of giant planets
In an experiment at the Department of Energy's SLAC National Accelerator Laboratory, scientists precisely measured the temperature and structure of aluminum as it transitions into a superhot, highly compressed concoction known as 'warm dense matter.'

Contact: Andrew Gordon
agordon@slac.stanford.edu
650-926-2282
DOE/SLAC National Accelerator Laboratory

20-Mar-2015
Organic photovoltaics experiments showcase HPC 'superfacility' concept
A collaborative effort linking the Advanced Light Source at Lawrence Berkeley National Laboratory with supercomputing resources at NERSC and the Oak Ridge Leadership Computing Facility is yielding exciting results in organic photovoltaics research that could transform the way researchers use these facilities and improve scientific productivity in the process.

Contact: Kathy Kincade
kkincade@lbl.gov
DOE/Lawrence Berkeley National Laboratory

18-Mar-2015
Scientists watch quantum dots 'breathe' in response to stress
Researchers at the Department of Energy's SLAC National Accelerator Laboratory watched nanoscale semiconductor crystals expand and shrink in response to powerful pulses of laser light. This ultrafast 'breathing' provides new insight about how such tiny structures change shape as they start to melt -- information that can help guide researchers in tailoring their use for a range of applications.

Contact: Andrew Gordon
agordon@slac.stanford.edu
650-926-2282
DOE/SLAC National Accelerator Laboratory

18-Mar-2015
Nanostructure complex materials modeling
Brookhaven physicist Simon Billinge illustrates how advances in computing and applied mathematics can improve the predictive value of models used to design new materials.

Contact: Karen McNulty Walsh
kmcnulty@bnl.gov
631-344-8350
DOE/Brookhaven National Laboratory

17-Mar-2015
Part II, Tackling grand challenges in geochemistry: Q&A with Andrew Stack
In this Q&A Andrew Stack, a geochemist at the Department of Energy's Oak Ridge National Laboratory, advances understanding of the dynamics of minerals underground. Stack and his team make discoveries that will help to improve our understanding of a wide range of energy-related issues, such as geologic storage of carbon dioxide, oil and gas discovery and development, and remediation of toxic contaminants. His current research spans three disciplines -- geology, chemistry and computing.

Contact: Dawn Levy
levyd@ornl.gov
865-576-6448
DOE/Oak Ridge National Laboratory

17-Mar-2015
Granular data processing on HPCs using an event service
Brookhaven Lab/ATLAS physicist Torre Wenaus describes an effort to trickle small 'grains' of data generated by the ATLAS experiment at the Large Hadron Collider (LHC) in Europe into small pockets of unused supercomputing time, sandwiched between big jobs on high-performance supercomputers.

Contact: Karen McNulty Walsh
kmcnulty@bnl.gov
631-344-8350
DOE/Brookhaven National Laboratory

10-Mar-2015
Possible rare dwarf galaxies found orbiting Milky Way
Researchers have discovered a set of eight celestial objects orbiting our home galaxy, the Milky Way, that appear to be rare dwarf satellite galaxies. Dwarf galaxies are the smallest known galaxy structures and may hold the key to understanding dark matter.

Contact: Andrew Gordon
agordon@slac.stanford.edu
650-926-2282
DOE/SLAC National Accelerator Laboratory

Showing stories 26-50 out of 163 stories.
<< < 1 | 2 | 3 | 4 | 5 | 6 > >>


 

 

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