Using solid state nuclear magnetic resonance (ssNMR) techniques, scientists at the U.S. Department of Energy’s Ames Laboratory discovered a new quantum criticality in a superconducting material, leading to a greater understanding of the link between magnetism and unconventional superconductivity.
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Measuring the properties of superconducting materials in magnetic fields at close to absolute zero temperatures is difficult, but necessary to understand their quantum properties. How cold? Lower than 0.05 Kelvin (-272°C).
“For many modern (quantum) materials, to properly study the fine details of their quantum mechanical behavior you need to be cool. Cooler than was formerly thought possible,” said Ruslan Prozorov, a physicist at the U.S. Department of Energy’s Ames Laboratory, who specializes in developing instrumentation which measures just such things.
Energy Secretary Rick Perry made his first visit to the Department of Energy’s Ames Laboratory on Tuesday where he toured the facilities, met with Laboratory leadership and scientists, and thanked staff for their work in materials research.
“You come here each day, dedicated to changing the world through discovery, innovation, and technology commercialization,” Perry said, in a meeting with the leadership and staff of the Laboratory. “Your work makes a profound difference in people’s lives, even if it happens in ways we cannot see and ways we may never know.”
The U.S. Department of Energy’s Critical Materials Institute has taken a major step toward printed, aligned anisotropic magnets via additive manufacturing processes. The Energy Innovation Hub manufactured hybrid nylon bonded neodymium-iron-boron and samarium-iron-nitrogen magnet using the Big Area Additive Manufacturing (BAAM) located at Oak Ridge National Laboratory.
The U.S. Department of Energy’s Ames Laboratory is launching a four-year, $3.2 million project to develop software that will bring the power of exascale computers to the computational study and design of catalytic materials.