The Advanced Light Source Upgrade (ALS-U) project has received approval for a revised cost and schedule, targeting completion by late 2029. Greg Hays joins the team to steer the historic modernization project, which will increase soft X-ray brightness a hundredfold and enable AI-driven research in materials science, quantum computing, biology, and more. Read more »
Revealing the Electronic Signature of Unusual Magnetism
Experiments at the ALS showed how magnetic Co atoms sandwiched between TaS2 layers reshape the material’s electronic structure. Understanding how unusual magnetic order influences electron movements in new quantum material CoxTaS2 could guide its use in advanced quantum technologies based on spintronics and valleytronics. Read more »
Director’s Message on Beamtime in 2027
The ALS-U project plan has now been updated, and we have revised our proposal calls leading up to the dark time. Dark time remains on track to start no earlier than October 2027 (~22 months). With substantial user beamtime anticipated in 2027, we’ve added a new proposal call due September 2, 2026. Learn more about the details and contact alsproposals@lbl.gov with questions. Read more »
Seeing Double: Dual Measurements of Ceria Provide Insights for Catalysis
In a recent study at the ALS, researchers employed an approach that combines two techniques and uses a single X-ray beam to capture both chemical and structural changes in nanopatterned ceria during catalytic reactions. Read more »
Multiscale X-Ray Measurements Reveal How Stretchable Polymer Semiconductors Dissipate Stress
Using multimodal, in situ measurements at the ALS, researchers uncovered a two-stage process for how stretchable polymer semiconductors adapt their structure during stretching. The findings establish a multiscale design framework for conjugated polymers used in stretchable electronic devices. Read more »
Submit Your 2026 User Meeting Award Nominations
Help us recognize members of the ALS community by submitting nominations for the Shirley Award, Halbach Award, Renner Award, and the Early Career Award. Deadline: May 29 Read more »
How Wildfires Transform Soil Chemistry
X-ray microscopy tools at the ALS and SSRL mapped the chemical changes inside wildfire ash particles, revealing that pyrogenic iron and manganese gradually disappeared as the soil recovered. These findings shed light on how wildfires drive transient mineral formation that impacts micronutrient cycling and soil resilience, with implications for landscape recovery strategies. Read more »
Apply by April 30 for ALS Doctoral and Postdoctoral Fellowships
Applications for the next round of ALS Doctoral and Postdoctoral Fellowships are due April 30 for start dates this fall. Fellows spend a year in residence at the ALS conducting research and instrumentation development in collaboration with their home institution. Updated application instructions will be posted by April 6. Read more »
Strength in Numbers: Nanopatterns Amplify X-Ray Signals from Buried Interfaces
Berkeley Lab researchers developed a new x-ray technique that uses nanoscale patterns to amplify weak signals, allowing scientists to observe chemical reactions at buried solid–liquid interfaces that were previously challenging to study. Read more »
Call for 2024 and 2025 Publications
All publications resulting from work done in whole or in part at the ALS must be recorded by the User Office for the Department of Energy (DOE). To maintain accurate records and assess the productivity and scientific achievements of our beamlines, please report your ALS publications, especially those published in 2024 and 2025. Read more »
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