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Stabilizing Pristine α-Sn Thin Films for Topological Investigation

Researchers developed a recipe for the room-temperature stabilization of thin films of α-Sn, a form of elemental tin that exhibits a variety of topologically nontrivial phases, but only at low temperatures. By dramatically reducing contamination from the film’s substrate, the recipe greatly simplifies electronic structure studies. Read more »

Kevin Wilson to Receive 2024 Shirley Award

The ALS Users’ Executive Committee will recognize Berkeley Lab Senior Scientist Kevin Wilson as this year’s Shirley Award recipient. At the 2024 User Meeting he will present a talk on using synchrotron radiation to probe the multiphase chemistry of aerosols. Read more »

Caught in the Actinium

In this work, researchers demonstrated a macromolecular scaffold that combines an 8-coordinate synthetic ligand and a mammalian protein to characterize the solution and solid-state behavior of the longest-lived actinium isotope. The information could help design better cancer treatments. Read more »

Mechanistic Insight into a Viral-Factory Component

Recent protein-structure studies conducted at the ALS provided mechanistic insights into the function of a protein (σNS) involved in viral replication. Understanding these mechanisms will foster the development of therapeutic strategies against viruses that use σNS-like proteins to replicate. Read more »

September Call for 2023 and 2024 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). Please help ensure our records are complete by reporting your ALS publications, especially those published in 2023 and 2024. Read more »

Probing the Liquid/Vapor Interface of a Tunable Solvent

Despite the ready tunability and industrial promise of deep eutectic solvents (DESs), there have been few x-ray spectroscopy studies at their liquid/vapor interfaces—which is relevant for their use in applications such as greenhouse-gas capture. Here, researchers probed the liquid/vapor interface of a benchmark DES using complementary spectroscopies. Read more »

Pacific Kelp Forests Are Far Older than We Thought

Researchers scanned newly discovered kelp fossils using x-ray tomography at the ALS. The images provided morphological information about the ancient kelp and, along with isotopic analyses, provided insights into the evolutionary history of northeastern Pacific Ocean kelp forests, which flourished more than 32 million years ago. Read more »