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New Silicon Nanowires Can Really Take the Heat

A Berkeley Lab-led research team has demonstrated an ultrathin silicon nanowire that conducts heat 150% more efficiently than conventional materials used in advanced chip technologies. The device could enable smaller, faster, energy-efficient microelectronics.

2 Berkeley Lab Physicists Elected into the National Academy of Sciences

Joel Moore and Joseph W. Orenstein of the Materials Sciences Division have been elected into the National Academy of Sciences. They join 120 scientists and engineers from the U.S. and 30 from across the world as new lifelong members and foreign associates.

CUORE Team Places New Limits on the Bizarre Behavior of Neutrinos

Researchers at the Cryogenic Underground Observatory for Rare Events (CUORE) announced this week that they had placed some of the most stringent limits yet on the strange possibility that the neutrino is its own antiparticle. CUORE has spent the last three years patiently waiting to see evidence of a distinctive nuclear decay process, only possible if neutrinos and antineutrinos are the same particle. Their new data shows that this decay doesn’t happen for trillions of trillions of years, if it happens at all.

Scientists Discover ‘Secret Sauce’ Behind Exotic Properties of New Quantum Material

MIT physicists and colleagues, including scientists from Berkeley Lab, have discovered the “secret sauce” behind the exotic properties of a new quantum material known as a kagome metal.

Berkeley Lab Researchers, Computational Facilities Play Key Role in Barrier-Breaking Neutrino Mass Measurement

An international research team that includes Lawrence Berkeley National Laboratory (Berkeley Lab) scientists has established a new upper limit of 0.8 electron volts (eV) for the mass of the neutrino, a milestone that will bear on future discoveries in nuclear and particle physics, and cosmology.

Reiner Kruecken to Lead Berkeley Lab’s Nuclear Science Division

Reiner Kruecken, a nuclear physicist and Deputy Director for Research at TRIUMF, Canada’s particle accelerator center, has been selected to serve as the next Division Director of Lawrence Berkeley National Laboratory’s (Berkeley Lab) Nuclear Science Division. His appointment will be effective in May. The announcement follows an international search.

Crystallography for the Misfit Crystals

As the name implies, crystallography requires crystals – specifically, purified samples of the molecule of interest, coaxed into a crystal form. But most molecules form powders composed of jumbled granules, not picture-ready crystals. A new computer algorithm, combined with a state-of-the-art laser, can adapt X-ray crystallography for the many not-so-neat-and-tidy compounds that scientists seek to study.

Dark Energy Spectroscopic Instrument (DESI) Creates Largest 3D Map of the Cosmos

The Dark Energy Spectroscopic Instrument (DESI) has capped off the first seven months of its survey run by smashing through all previous records for three-dimensional galaxy surveys, creating the largest and most detailed map of the universe ever.

Technique Tunes Into Graphene Nanoribbons’ Electronic Potential

Researchers at Berkeley Lab and UC Berkeley have discovered how to directly measure the unique magnetic properties of superthin graphene nanoribbons. The breakthrough could lead to high-speed, low-power nanoscale data storage technologies.

Fiber Lasers Poised to Advance Berkeley Lab’s Development of Practical Laser-Plasma Accelerators

Berkeley Lab researchers have zeroed in on the limitations of laser-plasma particle accelerator (LPA) development efforts and believe they have found a new path forward with optical fiber lasers. A new approach to high-power lasers – combining the pulses from many fast-acting but lower-energy optical fiber lasers – will energize these super-compact accelerators.