Machine learning tools and experiments at the ALS enabled the identification of defect-rich regions in single-crystalline Co3Sn2S2 that link to how surface electrons move. Atom-level understanding of how the surface electronic properties of a magnetic semimetal can be tuned could guide its use in advanced technologies like spintronics and catalysis. Read more »
All News & Updates
2026 Winter Shutdown Recap
The 2026 winter shutdown started on January 2, and the ALS returned to user operations on Tuesday, February 3. It was the shortest shutdown the ALS has had since 2018; as a result, the current user run will be the longest one since 2018. One big accomplishment of the recent shutdown was the installation of the “golden bellows” connecting the accumulator ring vacuum with the rest of the ALS vacuum system. Read more »
Aerosol Chemistry Offers Clues to the Arctic’s Future
Researchers used scanning transmission x-ray microscopy to analyze Arctic aerosols, which strongly influence cloud formation and overall climate. Understanding what these particles are and how they change as they travel could help improve climate models and yield more accurate predictions of the changing Arctic environment’s global impact. Read more »
Disrupting Cancer’s Broken Molecular Switch
Researchers identified a compound that disrupts a hard-to-target tumor growth pathway in breast, lung, and other cancers and used the ALS to characterize the chemical interactions critical to its potency. This work contributed to the development of a similar compound currently undergoing clinical trials in cancer patients, and informs hypotheses for designing better drug candidates. Read more »
February 2026 Message from the UEC Chair
Welcome from the 2026 ALS Users’ Executive Committee (UEC)! As the group dedicated to representing the voice of the ALS user community, our primary role is to bridge the gap between your scientific needs and the operational realities of ALS management. Read more for the outlook on the year and be sure to suggest user meeting speakers and workshops. Read more »
How Zinc Alters Mineral Structure in Early Arthritis
Using high-resolution x-ray techniques, researchers from UCSF, the ALS, and SSRL uncovered structural evidence that zinc subtly alters bone mineral in vulnerable joint regions, revealing early changes that may explain how arthritis begins and progresses. Read more »
2026 Bay Area Light Sources Joint Users’ Meeting
The ALS will join forces with SSRL and LCLS for a Joint Users’ Meeting at SLAC National Accelerator Laboratory, September 20–25. We invite the community to shape the program by nominating plenary speakers and proposing tutorials and workshops. We especially encourage ideas for joint workshops involving ALS, LCLS, and SSRL—whether spanning all three facilities or a collaboration between two. The deadline for proposals is March 13. Read more »
Crunching Big Data Into 3D Images Accelerates Discovery
Advanced Light Source scientists and users can now harness a superfacility pipeline to process 3D data in minutes. Read more »
AI for Smarter, More Powerful, More Efficient Particle Accelerators
The Multi-Office particle Accelerator Team (MOAT) is developing artificial intelligence tools to improve particle accelerators and speed breakthroughs. The collaborative effort is led by Berkeley Lab and is part of the Genesis Mission, a new national AI initiative. Read more »
How a Machine Learning Pipeline Could Accelerate Innovation
SYNAPS-I, a new multi-lab AI platform supporting DOE’s Genesis Mission, aims to accelerate discoveries at advanced light and neutron scattering user facilities. The results could speed breakthroughs in energy, semiconductors, medicine, and many other technologies critical to modern society. Read more »
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