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4-Nov-2020
Material found in meteorites portends new possibilities for spintronic computing
DOE/US Department of Energy
Hexagonal iron sulfide is a type of multiferroic, a versatile material with both magnetic and ferroelectric coupling. New research on this material provides a route to materials with tunable electrical and magnetic behaviors for potential applications in information storage and spintronics computing.
4-Nov-2020
Scientists discover a new magnetic quasiparticle
DOE/US Department of Energy
Scientists explore materials' magnetism by studying the oscillations of magnetic effects, or "magnons." They have long predicted that magnons can interact and combine to form new quasiparticles. Scientists have now used neutron scattering to find these multiple-magnon "bound states" in real materials.
26-Oct-2020
Building materials from spinning particles
DOE/US Department of Energy
Researchers are working on new materials that actively self-assemble. In this research, scientists used a magnetic field to make metal particles spin at the liquid interface. This spinning activity created swarms of rod-like particles that then formed vortices that assembled into dynamic lattice structures that are reconfigurable and capable of self-healing.
26-Oct-2020
New measurement fits another piece in the proton radius puzzle
DOE/US Department of Energy
The "proton radius puzzle" arose in 2010, when a then-new experimental method for measuring the size of the proton revealed a value 4 percent smaller than obtained from previous methods. Nuclear physicists may have now solved the proton radius puzzle using a novel electron scattering technique.
23-Oct-2020
Matt Law: Then and now / 2010 Early Career Award Winner
DOE/US Department of Energy
Matt Law, now an associate professor in the Department of Chemistry at the University of California, Irvine, discusses how his 2010 Department of Energy Early Career Award kicked off his work on semiconductor quantum dots.
16-Oct-2020
Young permafrost provides new insights on climate change
DOE/US Department of Energy
Cold temperatures keep the microorganisms in permafrost dormant. Thawing could cause these microorganisms to degrade organic material, releasing carbon dioxide and methane. Scientists have now studied the diversity and metabolic capacity of microbial communities in a unique permafrost environment.
16-Oct-2020
Optimizing plant defense against pathogens
DOE/US Department of Energy
Plants have sophisticated defense mechanisms that activate specific genes in response to specific pathogens. Scientists investigated the tradeoffs in plant defenses against two pathogens. They identified a protein in Arabidopsis plants that regulates genes involved in pathogen response to target defenses.
9-Oct-2020
What does it take to destroy confinement?
DOE/US Department of Energy
Physicists are using new detector components to explore how quarks and gluons can be set 'free' from confinement. Their measurements reveal that the 'quark-gluon plasma' (QGP) of free quarks and gluons created in nuclear collisions destroys the J/psi particles that confines a quark and antiquark.
1-Oct-2020
Shedding light on stellar evolution
DOE/US Department of Energy
After burning their fuel, most stars become white dwarf stars. The high-energy-density states in these stars are extremely difficult to reach and characterize in the laboratory. Now, scientists have conducted new experiments on these high-pressure conditions using the world's most energetic laser.