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The Department of Energy’s Oak Ridge National Laboratory hopes to add a second target station at its Spallation Neutron Source (SNS) in the next 10 years in order to enhance capabilities of in-depth studies of the molecular structure of materials. Ken Herwig of O...
Fullerenes appear as small silver spheres spread consistently throughout a network of small molecules, or polymers, in this schematic illustration of the morphology of a BHJ film with solvent additives. Credit: ORNL.
Advances in ultrathin films have made solar panels and semiconductor devices more efficient and less costly, and researchers at the Department of Energy’s Oak Ridge National Laboratory say they’ve found a way to manufacture the films more easily, too. Typically the films—used b...
An artist’s rendering of the five protein structures solved using neutrons shown on top of the MaNDi instrument detectors. Image credit - ORNL/DOE
Plants and other biomass can be converted into a variety of renewable high-value products including carbon fibers, plastics, and liquid fuels such as ethanol and biodiesel that are beneficial for reducing petroleum use and vehicle emissions. Breaking down plants in order to release...
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Steady progress in the development of advanced materials has led to modern civilization’s foundational technologies—better batteries, resilient building materials and atom-scale semiconductors. Development of the next wave of materials, however, is being slowed by the sheer co...
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Harvesting oil, mitigating subsurface contamination, and sequestering carbon emissions share a common thread—they deal with multiphase flows, or situations where materials are flowing close together in different states (solids, liquids, or gases) or when the flow is comprised ...
A surfactant template guides the self-assembly of functional polymer structures in an aqueous solution. Image credit: Oak Ridge National Laboratory, U.S. Dept. of Energy; image by Youngkyu Han and Renee Manning.
The efficiency of solar cells depends on precise engineering of polymers that assemble into films 1,000 times thinner than a human hair. Today, formation of that polymer assembly requires solvents that can harm the environment, but scientists at the Department of En...
With a nano-ring-based toroidal trap, cold polar molecules near the gray shaded surface approaching the central region may be trapped within a nanometer scale volume.
Single atoms or molecules imprisoned by laser light in a doughnut-shaped metal cage could unlock the key to advanced storage devices, computers and high-resolution instruments. In a paper published in Physical Review A, a team composed of Ali Passian of the Depa...
The Neutron Sciences Directorate’s two most recent distinguished fellows, Panchao Yin (left) and Bianca Haberl (below), are making major contributions to their respective fields. Image credit - Genevieve Martin
For early career researchers, a fellowship can be a valuable foot in the door, exposing them to the opportunity to gain experience in areas of science and technology of national importance.
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Viruses are tiny—merely millionths of a millimeter in diameter—but what they lack in size, they make up in quantity.
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A microscope being developed at the Department of Energy’s Oak Ridge National Laboratory will allow scientists studying biological and synthetic materials to simultaneously observe chemical and physical properties on and beneath the surface.