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Iron rain fell on early Earth, new Z machine data supports

DOE/Sandia National Laboratories
Peer-Reviewed Publication

Physical tests at Sandia's Z machine reveal that, at pressures rivaling those when worlds collide, iron vaporizes at far lower pressures than assumed by theoreticians, explaining why the element is distributed in Earth's mantle rather than collected at its core.

Journal: Nature Geoscience
Funder: National Nuclear Security Administration

Los Alamos offers new insights into radiation damage evolution

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

Two reports from Los Alamos National Laboratory this week in the Nature journal Scientific Reports are helping crack the code of how certain materials respond in the highly damaging radiation environments within a nuclear reactor.

Journal: Scientific Reports

Direct measurement of key molecule will increase accuracy of combustion models

DOE/Sandia National Laboratories
Peer-Reviewed Publication

Sandia National Laboratories researchers are the first to directly measure hydroperoxyalkyl radicals -- a class of reactive molecules denoted as 'QOOH' -- that are key in the chain of reactions that controls the early stages of combustion. A paper describing the work, performed by David Osborn, Ewa Papajak, John Savee, Craig Taatjes and Judit Zádor at Sandia's Combustion Research Facility, is featured in the Feb. 6 edition of Science.

Journal: Science
Funder: DOE/US Department of Energy

Scientists call for antibody 'bar code' system to follow Human Genome Project

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

More than 100 researchers from around the world have collaborated to craft a request that could fundamentally alter how the antibodies used in research are identified, a project potentially on the scale of the now-completed Human Genome Project.

Journal: Nature

The quest for efficiency in thermoelectric nanowires

DOE/Sandia National Laboratories

Research detailed in a thermoelectric nanowire paper published by Sandia National Laboratories represents the first time researchers managed to control crystal orientation, crystal size and alloy uniformity by a single process. All three factors contribute to better thermoelectric performance.

Los Alamos develops new technique for growing high-efficiency perovskite solar cells

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

Los Alamos National Laboratory researchers reveal a new solution-based hot-casting technique that allows growth of highly efficient and reproducible solar cells from large-area perovskite crystals.

Journal: Science
Funder: US Department of Energy's Office of Science - Office of Basic Energy Sciences

'Iron Sun' is not a rock band, but a key to how stars transmit energy

DOE/Sandia National Laboratories
Peer-Reviewed Publication

Creating the conditions of the sun, researchers for the first time have been able to experimentally revise figures used by theorists to define iron's key role in passing sunlight from the sun's core to its radiative surface.

Journal: Nature
Funder: National Nuclear Security Administration, DOE/US Department of Energy

Breakthrough in predictions of pressure-dependent combustion chemical reactions

DOE/Sandia National Laboratories
Peer-Reviewed Publication

Researchers at Sandia and Argonne national laboratories have demonstrated, for the first time, a method to successfully predict pressure-dependent chemical reaction rates. It's an important breakthrough in combustion and atmospheric chemistry that is expected to benefit auto and engine manufacturers, oil and gas utilities and other industries that employ combustion models.

Journal: Science
Funder: Department of Energy's Office of Science

Mysteries of 'molecular machines' revealed

DOE/Los Alamos National Laboratory
Peer-Reviewed Publication

Scientists are making it easier for pharmaceutical companies and researchers to see the detailed inner workings of molecular machines.

Journal: Nature Methods

Linde, Sandia partnership looks to expand hydrogen fueling network

DOE/Sandia National Laboratories
Business Announcement

Sandia National Laboratories and industrial gas giant Linde LLC have signed an umbrella Cooperative Research and Development Agreement that is expected to accelerate the development of low-carbon energy and industrial technologies, beginning with hydrogen and fuel cells.

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