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A Multiscale Picture of Oxygen Loss in Battery Electrodes

In lithium-ion batteries, oxygen atoms leak out of electrode particles as the lithium moves back and forth between electrodes. Now, researchers have measured this process at multiple length scales, showing how the oxygen loss changes the electrode’s structure and chemistry, gradually reducing the amount of energy it can store. Read more »

In a Hawaiian Lava Fountain, Fluid Magma Turns Brittle

Compared to the violent explosions of Mount Vesuvius or Mount St. Helens, Hawaiian volcanic eruptions are relatively calm, characterized by flowing rivers and fountains of lava. Here, researchers have discovered that even low-viscosity magma sometimes behaves more like brittle glass that shatters into fine particles. Read more »

Nanoscale Metallic Particles Detected in Brain Tissue

Researchers detected nanoscale deposits of elemental copper and iron in brain tissues isolated from Alzheimer’s disease subjects. The discovery suggests new directions of study to determine the role that elemental metals might play in neurochemistry, neurobiology, and the development of neurodegenerative disease. Read more »PPT-icon-35 PDF-icon-35

Chemical (and Strategic) Transformations at Beamline 9.0

The Chemical Dynamics beamline, used for gas-phase vacuum ultraviolet (VUV) experiments, was one of the first beamlines built at the ALS. Since then, the program has undergone several strategic transformations, enabling the study of complexity in clusters, aerosols, and nanoparticles using both VUV and soft x-ray radiation. Read more »

Main Attraction: Scientists Create World’s Thinnest Magnet

A one-atom-thin 2D magnet that operates at room temperature could lead to new applications in computing and electronics—such as high-density, compact spintronic memory devices—and new tools for the study of quantum physics. X-ray experiments at the ALS characterized the material’s magnetic parameters under high temperature. Read more »

Deconstructing the Infectious Machinery of the SARS-CoV-2 Virus

Scientists collaborated to model the complex protein responsible for SARS-CoV-2 replication, revealing its potential weak spots for drug development. The investigation hinged on data collected from many advanced imaging techniques, including small-angle x-ray scattering (SAXS), crystallography, and small-angle neutron scattering (SANS). Read more »

Survey on Remote Access

The ALS and the Users’ Executive Committee would like to better understand the impact this past year’s restrictions had on the user community as well as seek suggestions on possible improvements that would facilitate future beamtime. We request your input on this remote access survey by July 30. Read more »

Alpha N’Diaye, Research Scientist

Alpha N’Diaye first came to Berkeley Lab as a postdoc, but his interest in Berkeley was piqued far earlier. Find out what inspired teenage Alpha, and what keeps him here to this day. Read more »

Mineral Microstructures Shed Light on Planet-Scale Dynamics

To explore what happens to minerals under the extreme conditions in Earth’s mantle, researchers developed an x-ray technique that bridges the gap between methods that reveal bulk properties and those that focus on individual crystals. Use of the technique has shed light on the dynamics of tectonic-plate subduction in Earth’s lower mantle. Read more »

Register for the 2021 User Meeting (August 10–13)

This year’s User Meeting features, for the first time, a Nobel panel (and Q&A) with Ada Yonath and Stanley Whittingham. Bookmark workshops and tutorials that interest you so that the organizers know how many participants to expect. Remember: the student poster competition and general poster session are first come, first served! Read more »