ALS users and staff gathered to hear the latest news from Washington, the ALS, and each other. The program featured a diverse set of scientific talks and a full slate of workshops and tutorials offering deep dives into topics of interest and, for those new to light sources, introductory presentations designed to demystify the light-source experience. Read more »
All News & Updates
Anomalous Orbital Structure in Two-Dimensional Materials
Researchers explored how structural distortions of the atomic lattice influence exotic electronic states in two-dimensional transition-metal dichalcogenides (TMDs). Polarization-dependent spectroscopy revealed an unexpectedly large crystal-field splitting of the valence electron states, a result of strong hybridization in metal–chalcogen orbitals. Read more »
Hans Bechtel Receives 2019 Tim Renner User Services Award
The UEC honors outstanding contributions to the ALS community through the Tim Renner User Services Award. Hans Bechtel received this year’s award “for his dedication to user success, exemplified in the scientific and technical support he provides at the IR beamlines and compassion and inclusion he embodies in every interaction.” Read more »
Multimodal Study of Ion-Conducting Membranes
Using multiple x-ray characterization tools, researchers showed how chemical and structural changes improve the performance of a novel ion-conducting polymer (ionomer) membrane from 3M Company. The work provides insight into factors impacting the proton conductivity of ionomers used for fuel cells and the production of hydrogen fuel. Read more »
Nobumichi Tamura Receives 2019 Klaus Halbach Award
Nobumichi Tamura received the 2019 Klaus Halbach Award in recognition for the software he developed to analyze microdiffraction data. The first version of the software was completed just before Christmas 1999 and has been a gift for many in the community ever since. Read more »
Infrared Nanospectroscopy at Graphene–Liquid Interfaces
Researchers developed a new infrared approach to probing the first few molecular layers of a liquid in contact with a graphene electrode under operating conditions. The work offers a new way to study the interfaces that are key to understanding batteries, corrosion, and other bio- and electrochemical phenomena. Read more »
Nominations Due October 28 for New UEC Members
The Advanced Light Source Users’ Executive Committee (UEC) invites nominations for new UEC members. Nominations will be accepted through Monday, October 28. Following an election, five new UEC members will be selected for the 2020–2022 term. Read more »
Terry McAfee, Resonant Soft X-Ray Scattering Postdoc
Terry McAfee started coming to the ALS during his PhD. The Northern California native is glad to be back as a postdoc and hopes to stay on as a beamline scientist. He enjoys developing new techniques and working with users, always looking for ways to contribute to the community. Read more »
ALS Confirms Mechanism for Improved Fuel Cell Catalysis
Aided by x-ray absorption spectroscopy at the ALS, researchers from Toyota and the University of Akron have uncovered a new catalysis mechanism to improve oxidation-reduction reactions in certain fuel cells by 40%. This enhancement, based on tin oxide, will support efforts to increase fuel efficiency in electric vehicles. Read more »
In Memoriam: Dave Humphries, Staff Engineer
We are saddened by the death of our friend and colleague, Dave Humphries. During his long tenure at Berkeley Lab and at the ALS in particular, Dave contributed in many outstanding ways to the success of the Laboratory and of our facility. Dave was at home with his family and passed away peacefully on September 13, 2019. Read more »
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