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The Advanced Light Source is a U.S. Department of Energy scientific user facility at Lawrence Berkeley National Laboratory. Our mission is to advance science for the benefit of society by providing our world-class synchrotron light source capabilities and expertise to a broad scientific community.

Local Disorder Impacts a Quantum Material’s Electronic States

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 »PPT-icon-35

ALS-United: Thomas Gaucher, Raul Mascote, and Adrian Williams

ALS-United is an opportunity to meet the people collaborating at the Advanced Light Source and the ALS Upgrade Project. Hear firsthand how team science enables the cutting-edge research of today and builds the facility of the future. This month, we spoke with Thomas Gaucher (Manufacturing Engineer), Raul Mascombe (Engineering Technical Associate), and Adrian Williams (Engineering Technical Associate). 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 »

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 »