A team performed simulations on the Summit supercomputer and found that electrons in cuprates interact with phonons much more strongly than was previously thought, leading to experimentally observed “kinks” in the relationship between an electron’s energy and the momentum it carries.
Researchers from Georgia Tech and the University of Tennessee–Knoxville uncovered hidden and unexpected quantum behavior in a simple iron-iodide material (FeI2) discovered almost a century ago. The new insights were enabled using neutron scattering experiments and theoretical physics calculations at the Department of Energy’s Oak Ridge National Laboratory. The team’s findings solves a 40-year-old puzzle about the material’s mysterious behavior and could be used as a map to unlock a treasure trove of quantum phenomena in other materials.
Oak Ridge National Laboratory, the U.S. Department of Energy, the Center of Science and Industry and the Tennessee STEM Innovation Network have partnered to deliver hundreds of free science kits called Learning Lunchboxes to STEM-designated schools in East Tennessee.
Deborah Frincke, one of the nation’s preeminent computer scientists and cybersecurity experts, serves as associate laboratory director of ORNL’s National Security Science Directorate.
Sergei Kalinin, a scientist and inventor at the Department of Energy’s Oak Ridge National Laboratory, has been elected a Fellow of the Microscopy Society of America professional society.
At the Department of Energy’s Oak Ridge National Laboratory, scientists use artificial intelligence, or AI, to accelerate the discovery and development of materials for energy and information technologies.
The enzyme manganese superoxide dismutase helps maintain human health by keeping the amount of reactive oxygen molecules in cells under control. Using neutron scattering at ORNL, researchers obtained a complete atomic portrait of the enzyme, revealing key information about its catalytic mechanism.
ORNL story tips: Stealthy air leak detection, carbon to chemicals and recycling goes large
The Department of Energy’s Oak Ridge National Laboratory has licensed its award-winning artificial intelligence software system, the Multinode Evolutionary Neural Networks for Deep Learning, to General Motors for use in vehicle technology and design.
Andrew Honeycutt and Nick Horvath, machine tool researchers at Oak Ridge National Laboratory, have been selected to receive the 2021 Geoffrey Boothroyd Outstanding Young Manufacturing Engineer Award from SME, the professional manufacturing engineering association.
Research results on the N95 filter media, recently published in ACS Applied Polymer Materials, outline the science behind what led to ORNL’s successful production of material on the CFTF’s precursor production line.
ORNL story tips: Mighty Mo material, fueling retooling, goods on the move, doubling concrete and batteries passport
Using complementary computing calculations and neutron scattering techniques, researchers from the Department of Energy’s Oak Ridge and Lawrence Berkeley national laboratories and the University of California, Berkeley, discovered the existence of an elusive type of spin dynamics in a quantum mechanical system.
A rare isotope in high demand for treating cancer is now more available to pharmaceutical companies developing and testing new drugs. The U.S. Food and Drug Administration recently received Oak Ridge National Laboratory’s drug master file for actinium-225 nitrate, which lets pharmaceutical companies reference the document to support applications for their own Ac-225-based drugs without disclosing proprietary information.
Researchers at the Oak Ridge National Laboratory used neutron scattering to investigate the interactions between telaprevir, a drug used to treat hepatitis C viral infection, and the SARS-CoV-2 main protease, the enzyme responsible for enabling the virus to reproduce. Unforeseen changes in the electric charges were discovered in the drug binding site of the protease enzyme that were not predicted by prevailing computer simulations. The research provides key insights for advancing drug design and drug repurposing efforts to treat COVID-19.
Nuclear physicist Caroline Nesaraja of the Department of Energy’s Oak Ridge National Laboratory evaluates nuclear data. Her work ensures that the scientific community has the best nuclear data for fundamental research and applications including medical isotopes, nuclear energy and national and international security.
ORNL identifies a statistical relationship between the growth of cities and the spread of paved surfaces. // ORNL successfully demonstrates a technique to heal dendrites that formed in a solid electrolyte. // ORNL combines additive manufacturing with conventional compression molding.
An ORNL team has devised a way to extract Pm-147 from the liquid runoff left after Pu-238 production. This reduces radioactive elements that must be disposed of but also, if sustainable, could establish a domestic supply of Pm-147, for which there is already demand.
Researchers at the Department of Energy’s Oak Ridge National Laboratory and the University of Tennessee developed an automated workflow to study metal halide perovskites, materials with outstanding properties for harnessing light that can be used to make solar cells, energy-efficient lighting and sensors.
Xiaobing Liu, a researcher in the Building Equipment Research Group at Oak Ridge National Laboratory, has been recognized by the American Association of Heating, Refrigerating and Air-Conditioning Engineers with a Distinguished Service Award.
Xin Sun has been selected as the associate laboratory director for the Energy Science and Technology Directorate, or ESTD, at the Department of Energy’s Oak Ridge National Laboratory.
A team of researchers at the Department of Energy’s Oak Ridge National Laboratory, along with colleagues at Purdue University, has taken an important step toward toward realizing a quantum communications milestone by harnessing the frequency, or color, of light.
ORNL story tips: Quantum building blocks, high-pressure diamonds, wildfire ecology, quick cooling tooling and printing on the fly
Physicists at Oak Ridge National Laboratory have developed a measurement technique to better understand beam loss—stray particles that travel outside the confinement fields of a particle accelerator. Mitigating beam loss is paramount to realizing more powerful accelerators at smaller scales and lower costs.
A team used two DOE supercomputers to complete simulations of the full-power ITER fusion device and found that the component that removes exhaust heat from ITER may be more likely to maintain its integrity than was predicted by the current trend of fusion devices.
Mike Kirka, a researcher and group leader in Deposition Science and Technology at Oak Ridge National Laboratory, has been recognized by The Minerals, Metals & Materials Society, or TMS, with the Young Innovator in the Materials Science of Additive Manufacturing Award.
ORNL story tips: Modeling COVID, permafrost lost and taking the heat
The U.S. Air Force and the Department of Energy’s Oak Ridge National Laboratory launched a new high-performance weather forecasting computer system that will provide a platform for some of the most advanced weather modeling in the world.
A multi-institutional team became the first to generate accurate results from materials science simulations on a quantum computer that can be verified with neutron scattering experiments and other practical techniques.
Using the nation's fastest supercomputer, Summit at Oak Ridge National Laboratory, a team of nuclear physicists developed a promising method for measuring quark interactions in hadrons and applied the method to simulations using quarks with close-to-physical masses.
Energy storage startup SPARKZ Inc. has exclusively licensed a battery cycling technology from the Department of Energy’s Oak Ridge National Laboratory designed to enable the rapid production of lithium-ion batteries commonly used in portable electronic devices and electric vehicles.
Three technologies developed by researchers at Oak Ridge National Laboratory have won National Technology Transfer Awards from the Federal Laboratory Consortium. The annual FLC Awards recognize significant accomplishments in transferring federal laboratory technologies to the marketplace.
Donovan N. Leonard, a researcher in the Deposition Science and Technology group at Oak Ridge National Laboratory, has been elected to a three-year term as physical sciences director for the Microscopy Society of America, or MSA.
ORNL story tips: COVID breath-sampling, welding advances and powered by water
Using neutron experiments and computer simulations, researchers from Oak Ridge National Laboratory delved into how some of the proposed COVID-19 drug candidates behave at the molecular scale when exposed to water.
The COHERENT particle physics experiment at the Department of Energy’s Oak Ridge National Laboratory has firmly established the existence of a new kind of neutrino interaction.
To investigate what happens inside cells when they are at risk of becoming cancerous, scientists at St. Jude Children’s Research Hospital have been using neutron scattering at Oak Ridge National Laboratory. The team is searching to better understand the altered state of the nucleolus—a membrane-less organelle inside the cell—when the cell is compromised. Novel insights into cell behavior at the atomic and molecular scales will enable better detection and treatment of cancer in its many forms.
ORNL story tips: Volcanic microbes, unbreakable bonds and flood mapping
As Hurricane Dorian raged through the Bahamas, researchers at Oak Ridge National Laboratory worked around the clock to aid recovery efforts for one of the Caribbean’s worst storms ever, providing geographic data that guided decisions on everything from where to open emergency shelters to how to staff first-aid centers.
ORNL story tips: Nanoscale commuting, easy driver and defect detection
Marcel Demarteau is director of the Physics Division at the Department of Energy’s Oak Ridge National Laboratory.
In the quest for advanced vehicles with higher energy efficiency and ultra-low emissions, Oak Ridge National Laboratory researchers are accelerating a research engine that gives scientists and engineers an unprecedented view inside the atomic-level workings of combustion engines in real time.
Oak Ridge National Laboratory researchers have developed a new family of cathodes with the potential to replace the costly cobalt-based cathodes typically found in today’s lithium-ion batteries that power electric vehicles and consumer electronics.
A Georgia State University team has used the nation’s fastest supercomputer, Summit at the US Department of Energy’s Oak Ridge National Laboratory, to find the optimal transition path that one E. coli enzyme uses to switch between building and editing DNA to rapidly remove misincorporated pieces of DNA.
Led by the Department of Energy’s Oak Ridge National Laboratory, a new study clears up a discrepancy regarding the biggest contributor of unwanted background signals in specialized detectors of neutrinos.
As ORNL’s fuel properties technical lead for the U.S. Department of Energy’s Co-Optimization of Fuel and Engines, or Co-Optima, initiative, Jim Szybist has been on a quest for the past few years to identify the most significant indicators for predicting how a fuel will perform in engines designed for light-duty vehicles such as passenger cars and pickup trucks.
ORNL story tips: Air taxis, fungi speak, radiation game and climate collab
Researchers from Virginia Tech and Oak Ridge National Laboratory (ORNL) are using neutron scattering at ORNL’s Spallation Neutron Source to investigate how cell membranes and the COVID-19 virus impact each other and what therapeutic candidates could make cell membranes more resistant to viral entry.
ORNL's Paul Kent, Dr. Bart Iddins and two teams were recognized for leadership and accomplishment in science, technology and mission support.
Researchers at the Department of Energy’s Oak Ridge National Laboratory investigated the binding properties of several hepatitis C drugs to determine how well they inhibit the SARS-CoV-2 main protease, a crucial protein enzyme that enables the novel coronavirus to reproduce. Inhibiting, or blocking, the protease from functioning is vital to stopping the virus from spreading in patients with COVID-19.
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