Berkeley Lab

ALS

The Advanced Light Source is a Department of Energy-funded synchrotron facility that provides users from around the world access to the brightest beams of soft x-rays, together with hard x-rays and infrared, for scientific research and technology development in a wide range of disciplines.

Announcement

ALS Closed for Operation until Further Notice

Due to the evolving COVID-19 situation and a recent shelter-in-place order for the Bay Area, the ALS is now closed to users and is going into a warm standby state that would allow us to restart quickly should conditions change. Read more

Elusive Kagome Electronic Structures Revealed

Electronic-structure studies showed that both infinitely light and infinitely massive particles coexist in a material with a star-shaped (kagome) crystal lattice. The material’s rich array of electronic behaviors shows promise for future spintronic applications and represents a new frontier for studying exotic phases of matter. Read more »PPT-icon-35

Stefania Trovati, Lead Radiation Physicist

As the lead radiation physicist at the ALS, Stefania Trovati is an expert in characterizing the radiation environment, but her expertise stretches beyond physics. She is also highly knowledgeable about raccoons and many other animals. Read more »

Criegee Intermediates Play Unexpected Role in Cell Chemistry

Researchers employed mass spectrometry to illuminate lipid nanodroplets under ultraviolet light. The results unexpectedly showed that hydroxyl radicals cause damage to cells via the formation of Criegee intermediates: molecules first proposed in 1975 to explain how pollutants react with the ozone layer in our atmosphere. Read more »

A Graphene Innovation That Is Music to Your Ears

A California-based company called GraphAudio is moving toward commercializing graphene-based audio technology developed by researchers at Berkeley Lab and UC Berkeley. The technology could transform a variety of devices, including speakers, earbuds and headphones, microphones, autonomous vehicle sensors, and ultrasonic and echolocation systems. Read more »

More News and Highlights

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Recent High-Impact Publications

M. Hepting, D. Li, C.J. Jia, H. Lu, E. Paris, Y. Tseng, X. Feng, M. Osada, E. Been, Y. Hikita, Y.-D. Chuang, Z. Hussain, K.J. Zhou, A. Nag, M. Garcia-Fernandez, M. Rossi, H.Y. Huang, D.J. Huang, Z.X. Shen, T. Schmitt, H.Y. Hwang, B. Moritz, J. Zaanen, T.P. Devereaux, and W.S. Lee, “Electronic structure of the parent compound of superconducting infinite-layer nickelates,” Nat. Mater., doi:10.1038/s41563-019-0585-z (January 20, 2020).

M.E. Ziebel, C.A. Gaggioli, A.B. Turkiewicz, W. Ryu, L. Gagliardi, and J.R. Long, “Effects of Covalency on Anionic Redox Chemistry in Semiquinoid-Based Metal-Organic Frameworks,” JACS 142, 2653 (2020), doi:10.1021/jacs.9b13050 (January 15, 2020).

E. Kotta, L. Miao, Y. Xu, S. Alexander Breitweiser, C. Jozwiak, A. Bostwick, E. Rotenberg, W. Zhang, W. Wu, T. Suzuki, J. Checkelsky, and L. Andrew Wray, “Spectromicroscopic measurement of surface and bulk band structure interplay in a disordered topological insulator,” Nat. Phys., doi:10.1038/s41567-019-0759-2 (January 13, 2020).

T. Jiang, A. Hall, M. Eres, Z. Hemmatian, B. Qiao, Y. Zhou, Z. Ruan, A.D. Couse, W.T. Heller, H. Huang, M.O. de la Cruz, M. Rolandi, and T. Xu, “Single-chain heteropolymers transport protons selectively and rapidly,” Nature 577, 216 (2020), doi:10.1038/s41586-019-1881-0 (January 8, 2020).

Y. Chen, W. Ruan, M. Wu, S. Tang, H. Ryu, H.-Z. Tsai, R. Lee, S. Kahn, F. Liou, C. Jia, O.R. Albertini, H. Xiong, T. Jia, Z. Liu, J.A. Sobota, A.Y. Liu, J.E. Moore, Z.-X. Shen, S.G. Louie, S.-K. Mo, and M.F. Crommie, “Strong correlations and orbital texture in single-layer 1T-TaSe2,” Nat. Physics, doi:10.1038/s41567-019-0744-9 (January 6, 2020).

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