The U.S. Department of Energy announced today that it will invest $16 million over the next four years to accelerate the design of new materials through use of supercomputers.
Scientists from the Department of Energy’s Oak Ridge National Laboratory and the University of Florida has developed a novel method that could yield lower-cost, higher-efficiency systems for water heating in residential buildings.
A research team led by Oak Ridge National Laboratory has created a high-power simulation and design process to print free-standing 3-D structures on the nanoscale using focused electron beam induced deposition. The simulation-guided nanomanufacturing method allows researchers to design and construct complex high-fidelity nanostructures with less guesswork.
Solar cells based on cadmium and tellurium could move closer to theoretical levels of efficiency because of some sleuthing by researchers at the Department of Energy’s Oak Ridge National Laboratory.
ORNL's PenDoc combines mass spectrometry with direct sampling to identify materials in seconds; ORNL study providing watershed-scale understanding of mercury in soils and sediments; Salt, ammonia key ingredients of high-efficiency heating system; ORNL taking closer look at microscopic soot particles, advanced combustion engines; Steel-concrete storage vessel may be ticket to clearing path for hydrogen-powered vehicles; Study examines climate change, power demands; ORNL gains better understanding of how defects in complex oxides alter behavior; Natural barrier stores carbon underground longer than previously thought.
Climate and energy scientists have developed a new method to pinpoint which electrical service areas will be most vulnerable as populations grow and temperatures rise.
The American Physical Society (APS) on Monday honored the Holifield Radioactive Ion Beam Facility, located at the Department of Energy's Oak Ridge National Laboratory, as an APS Historic Physics Site.
Scientists have developed a novel way to produce two-dimensional nanosheets by separating bulk materials with nontoxic liquid nitrogen. The environmentally friendly process generates a 20-fold increase in surface area per sheet, which could expand the nanomaterials’ commercial applications.
The Bellerophon Environment for Analysis of Materials (BEAM) is an ORNL platform that combines scientific instruments with web and data services and HPC resources through a user-friendly interface. Designed to streamline data analysis and workflow processes from experiments originating at DOE Office of Science User Facilities at ORNL, such as the Center for Nanophase Materials Sciences (CNMS) and Spallation Neutron Source (SNS), BEAM gives materials scientists a direct pipeline to scalable computing, software support, and high-performance cloud storage services.
Environmental scientists can more efficiently detect genes required to convert mercury in the environment into more toxic methylmercury with molecular probes developed at Oak Ridge National Laboratory.
The 2016 Billion-Ton Report, jointly released by the U.S. Department of Energy and Oak Ridge National Laboratory, concludes that the United States has the potential to sustainably produce at least 1 billion dry tons of nonfood biomass resources annually by 2040.
Additive manufacturing techniques featuring atomic precision could one day create materials with Legos flexibility and Terminator toughness.
3-D printed heat sinks show promise for higher power densities in electronics; ORNL system allows for inspections of materials on the fly; ORNL scientists advance understanding of superconductivity phenomenon; ORNL leads team that casts further doubt of calcium-52's magic status; Bamboo fiber potentially useful for 3-D-printed materials
A microbial partnership thriving in an acidic hot spring in Yellowstone National Park has surrendered some of its lifestyle secrets to researchers at Oak Ridge National Laboratory.
A multinational team led by the Department of Energy’s Oak Ridge National Laboratory Climate Change Science Institute has found the first positive correlation between human activity and enhanced vegetation growth.
Scientists can now detect magnetic behavior at the atomic level with a new electron microscopy technique developed by a team from the Department of Energy’s Oak Ridge National Laboratory and Uppsala University, Sweden. The researchers took a counterintuitive approach by taking advantage of optical distortions that they typically try to eliminate.
A team led by Thomas Maier of the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) used the Titan supercomputer at ORNL to simulate cuprates on the path to superconductivity. Maier’s team focused on a pivotal juncture on the cuprates’ path called the pseudogap phase, an in-between phase before superconductivity in which cuprates exhibit both insulating and conducting properties.
Soon to be deployed at Oak Ridge National Laboratory is an experiment to explore new physics associated with neutrinos.
In 2015, Harel Weinstein’s team used the Titan supercomputer at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) to produce the first end-to-end simulation of a sodium ion, the fuel that powers neurotransmitter sodium symporters, moving from the synapse into the cell via the dopamine transporter (DAT), the gatekeeper for the neurotransmitter dopamine that is associated with reward-motivated behavior.
A new study published in Nature Climate Change indicates soil moisture levels will determine how much carbon is released to the atmosphere as rising temperatures thaw Arctic lands.
Researchers at the Department of Energy’s Oak Ridge National Laboratory and their collaborators used neutron scattering to uncover magnetic excitations in the metallic compound ytterbium-platinum-lead. Surprisingly, this three-dimensional material exhibits magnetic properties that one would conventionally expect if the connectivity between magnetic ions was only one-dimensional. A better understanding of those behaviors could lead to applications in quantum computing and improved storage device technologies.
The International Union of Pure and Applied Chemistry (IUPAC) Inorganic Chemistry Division has published a Provisional Recommendation for the names and symbols of the recently discovered superheavy elements 113, 115, 117, and 118.
An elusive massless particle could exist in a magnetic crystal structure, revealed by neutron and X-ray research from a team of scientists led by the Department of Energy’s Oak Ridge National Laboratory and the University of Tennessee.
New battery technology a boost for Formula E race cars; New ORNL roof coating helps keep roofs cool; ORNL technique reveals defects in solar cell material; ORNL finding shows promise for alternating current conduction for oxide electronics.
Researchers have developed aluminum alloys that are both easier to work with and more heat tolerant than existing products.
A collaboration between GE and the Oak Ridge Leadership Computing Facility (OLCF) is contributing to efficiency gains in GE’s H-class gas turbines. These are currently the world’s largest and most efficient gas turbines, capable of converting fuel and air into electricity at more than 62 percent power-plant efficiency. GE researchers recently used the OLCF's Titan supercomputer to develop advanced modeling and simulation techniques of the combustion that takes place at high temperature and pressure during gas-turbine power generation. The predictive accuracy of GE’s new simulation methods is allowing the company to evaluate more combustor design concepts within the product cycle than ever before.
In most cases, a catalyst that’s good at driving chemical reactions in one direction is bad at driving reactions in the opposite direction. However, a team led by Oak Ridge National Laboratory has created the first high-performance, two-way oxide catalyst.
The Department of Energy’s Oak Ridge National Laboratory will open an office at EPB headquarters in Chattanooga’s Innovation District that will link local companies to the national laboratory’s resources and expertise.
A team led by the Department of Energy’s Oak Ridge National Laboratory used neutron analysis to better understand a protein implicated in the replication of HIV, the retrovirus that causes AIDS. The enzyme, known as HIV-1 protease, is a key drug target for HIV and AIDS therapies. The multi-institutional team used neutron crystallography to uncover detailed interactions of hydrogen bonds at the enzyme’s active site, revealing a pH-induced proton ‘hopping’ mechanism that guides its activity.
ORNL demonstrates a method to produce significant amounts of semiconducting nanoparticles for light-emitting displays, sensors, solar panels and biomedical applications.
Joining carbon fiber composites and aluminum for lightweight cars and other multi-material high-end products could become less expensive because of an ORNL method that harnesses a laser’s power and precision.
RMX Technologies of Knoxville, Tenn., and the Department of Energy’s Oak Ridge National Laboratory have signed an exclusive licensing agreement for a new technology that dramatically reduces the time and energy needed in the production of carbon fiber.
Researchers at the Department of Energy’s Oak Ridge National Laboratory, Massachusetts Institute of Technology and their collaborators used neutron scattering to reveal magnetic moments in hybrid topological insulator (TI) materials at room temperature, hundreds of degrees Fahrenheit warmer than the extreme sub-zero cold where the properties are expected to occur. The discovery promises new opportunities for next-generation electronic and spintronic devices such as improved transistors and quantum computing technologies.
A team led by Oak Ridge National Laboratory detected a feature in a solid electrolyte and experimentally verified its importance to fast ion transport. The work points out a new strategy for design of highly conductive solid electrolytes.
ORNL's GLIDES features advanced energy storage technology; Old tires get new life in sodium-ion batteries; Silicon carbide shows promise for reactor fuel, core structures; ORNL, Boeing collaboration delivers impressive results
Neutron scattering and computational modeling have revealed unique and unexpected behavior of water molecules under extreme confinement that is unmatched by any known gas, liquid or solid states.
This profile of an early career physicist highlights her research in developing new gas jet targets for use in next-generation nuclear physics experiments.
The oceans hold more than four billion tons of uranium—enough to meet global energy needs for the next 10,000 years if only we could capture the element from seawater to fuel nuclear power plants. Major advances in this area have been published.
Scientists at the Department of Energy’s Oak Ridge National Laboratory are taking a closer look at how sturgeon, a prehistoric—and now imperiled—group of fish species may better be helped to get around the dams that block their migrations.
In a study led by Oak Ridge National Laboratory, scientists synthesized a stack of atomically thin monolayers of two lattice-mismatched semiconductors and created an atomically thin solar cell.
Four Department of Energy national laboratories are joining Oak Ridge National Laboratory to expand an online crowdsourcing community for building technologies called JUMP, which bridges the gap between cutting-edge ideas and the marketplace.
Researchers and others interested in establishing a sustainable bioeconomy in the U.S. are taking part in a five-day study tour led by the Department of Energy’s Oak Ridge National Laboratory.
Researchers used neutrons to uncover novel behavior in materials that holds promise for quantum computing. The findings provide evidence for long-sought phenomena in a two-dimensional magnet.
Researchers have found a potential path to further improve solar cell efficiency by understanding the competition among halogen atoms during the synthesis of sunlight-absorbing crystals.
Researchers at Oak Ridge National Laboratory found new ways to influence selectivity for specific charged ions. Better selectivity to enhance discrimination between metals, such as sodium and cesium, could improve future environmental cleanup efforts.
ORNL researchers focus on minimizing impact of natural and man-made disasters hit; Aberrated probes helping to detect magnetic properties in materials; Thermoelectric heat pump dryer potentially uses 40 percent less energy; ORNL researchers discover structures designed to monitor fish movement are potential obstacles
A 20-kilowatt wireless charging system demonstrated at Oak Ridge National Laboratory has achieved 90 percent efficiency and at three times the rate of the plug-in systems commonly used for electric vehicles today.
Researchers at Oak Ridge National Laboratory wanted to find out if it was possible to make a molecule that could selectively bind to metal cations in the middle of the lanthanide series. The team provided a proof-of-principle.
Researchers at Oak Ridge National Laboratory made a better thermoplastic by replacing styrene with lignin, a brittle, rigid polymer that, with cellulose, forms the woody cell walls of plants.
Researchers have demonstrated a production method they estimate will reduce the cost of carbon fiber as much as 50 percent and the energy used in its production by more than 60 percent.
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