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LED material shines under strain

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

A team led by researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley has demonstrated an approach for achieving LEDs with near 100% light-emission efficiency at all brightness levels.

Journal: Science

How extreme cold can crack lithium-ion battery materials, degrading performance

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Storing the rechargeable batteries at sub-freezing temperatures can crack the battery cathode and separate it from other parts of the battery, a new study shows.

Journal: Advanced Energy Materials
Funder: U.S. National Science Foundation, DOE/US Department of Energy

In a first, scientists capture a ‘quantum tug’ between neighboring water molecules

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Researchers have made the first direct observation of how hydrogen atoms in water molecules tug and push neighboring water molecules when they are excited with laser light.

Journal: Nature

This exotic particle had an out-of-body experience; these scientists took a picture of it

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Scientists at Berkeley Lab and UC Berkeley have taken the clearest picture yet of electronic particles that make up a mysterious magnetic state called quantum spin liquid (QSL). The achievement could facilitate the development of superfast quantum computers and energy-efficient superconductors. The scientists are the first to capture an image of how electrons in a QSL decompose into spin-like particles called spinons and charge-like particles called chargons.

Journal: Nature Physics

Mountains of data: An unprecedented climate observatory to understand the future of water

DOE/Lawrence Berkeley National Laboratory
Business Announcement

Mountain watersheds provide 60 to 90% of water resources worldwide, but there is still much that scientists don’t know about the physical processes and interactions that affect hydrology in these ecosystems. Now a team of U.S. Department of Energy scientists led by Lawrence Berkeley National Laboratory (Berkeley Lab) aims to plug that gap, with an ambitious campaign to collect a vast array of measurements that will allow scientists to better understand the future of water in the West.

Berkeley Lab mathematicians build an algorithm to ‘do the twist’

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Mathematicians at Berkeley Lab's Center for Advanced Mathematics for Energy Research Applications have developed an algorithm to decipher the rotational dynamics of twisting particles in large complex systems from the X-ray scattering patterns observed in X-ray photon correlation spectroscopy experiments.

Journal: Proceedings of the National Academy of Sciences

Berkeley Lab science snapshots

DOE/Lawrence Berkeley National Laboratory
Peer-Reviewed Publication

Berkeley Lab Science Snapshots August 2021: COVID antibody discovery, efficient thermoelectric system, low-cost battery testing

Journal: Nature

A fast, accurate system for quickly solving stubborn RNA structures from pond scum, the SARS-CoV-2 virus and more

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Naked RNA molecules are too floppy for high-res 3D imaging, but a system developed at SLAC and Stanford fixes that. It reveals detailed RNA structures from a pond scum critter and COVID-19 virus.

Journal: Nature
Funder: NIH/National Institutes of Health, DOE/US Department of Energy

Scientists show a single catalyst can perform the first step of turning CO2 into fuel in two very different ways

DOE/SLAC National Accelerator Laboratory
Peer-Reviewed Publication

Scientists at Stanford University and the Department of Energy’s SLAC National Accelerator Laboratory reported today that they have made a new catalyst that works with either heat or electricity. Based on nickel atoms, the catalyst accelerates a reaction for turning carbon dioxide into carbon monoxide – the first step in making fuels and useful chemicals from CO2.

Journal: Angewandte Chemie
Funder: DOE/US Department of Energy

AI learns physics to optimize particle accelerator performance

DOE/SLAC National Accelerator Laboratory

Researchers at the Department of Energy’s SLAC National Accelerator Laboratory have demonstrated that they can use machine learning to optimize the performance of particle accelerators by teaching the algorithms the basic physics principles behind accelerator operations – no prior data needed.

Journal: Physical Review Accelerators and Beams

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