Berkeley Lab
Bringing Science Solutions to the World

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.

First Direct Measurement of Elusive Donnan Potential

Researchers performed the first direct measurement of the Donnan electrical potential, which arises from an imbalance of charges at membrane-solution interfaces. Considered unmeasurable for over a century, the Donnan potential is relevant to a wide range of fields, from cell biology to energy storage and water desalination. Read more »PPT-icon-35

ANNOUNCEMENT

March 1 Deadline for General User Proposals

The User Office is accepting new General User Proposals (GUPs) from scientists who wish to conduct research at the ALS in the 2023-2 (August–December) cycle. Applicants are reminded that they may request joint access to the Molecular Foundry, a nanoscience user facility at Berkeley Lab, to support their ALS activities. Read more »

New Year’s Message from Andreas Scholl

In this new year’s message, Interim Director Andreas Scholl reflects on the last year’s accomplishments, what makes him proud to work at the ALS, and how the community can be involved in shaping the facility’s future. Read more »

Percolating Puddles in Rich Quantum Landscapes

Combining x-ray photon correlation spectroscopy (XPCS) with scanning micro x-ray diffraction (SµXRD), researchers found that charge density wave domains (known as “puddles”) in a nickelate material exhibit two types of dynamics: small puddles actively “percolate” (fluctuate in size and shape), while large puddles are more static. Read more »

Save the Date: 2023 User Meeting & Visioning Workshops

The 2023 ALS User Meeting & Visioning Workshops will be held as a hybrid event September 11–15, 2023. The User Meeting, chaired by Yu He, Wendy Gu, and Devin Grabner, will take place Monday and Tuesday. The second half of the week will offer users, staff, and invited guests the opportunity to shape the facility’s future through visioning workshops. Read more »

Inna Vishik, 2023 Users’ Executive Committee Chair

Inna Vishik began using synchrotrons in graduate school and conducts even more synchrotron research as a professor. As chair of the UEC, she is working to enhance accessibility to this facility—and has suggestions for fun things to do after beamtime, too! Read more »

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