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Nanoconfinement of High Hydrogen-to-Metal Ratio Lanthanum Hydrides in Functionalized Carbon Hosts

Metal hydrides with a high hydrogen content are important for materials-based hydrogen storage and high-temperature superconductivity. Nanoconfinement of metal hydrides in porous hosts is a promising strategy to tune the thermodynamic stability and control the hydrogen-to-metal ratio. X-ray absorption and photoelectron spectroscopy provided detailed information about the local chemical environment of LaHx species within carbon hosts. Read more »

Vote for New UEC Members: Term Starting in 2025

The Advanced Light Source Users’ Executive Committee (UEC) invites you to vote in the election of five new UEC members: four regular members and one student member. The elected members will begin their terms on January 1, 2025, with regular members serving three years and the student member serving two years. Voting deadline: Wednesday, December 4, by 11:59 p.m. PST. Read more »

Local Chemical Enhancement and Gating of Organic Coordinated Ionic-Electronic Transport

Record ion mobility and conductivities are revealed within a nanoscopic interfacial superhighway of an organic mixed ionic-electronic conductor. Fast ion transport can be controlled by hydrophobicity of molecules local to this channel, effectively gating ion access to the superhighway. This mechanism is used in a novel chemical sensing device which detects the dynamics of a local, buried chemical reaction. Read more »

Advancing high-temperature electrostatic energy storage via linker engineering of metal–organic frameworks in polymer nanocomposites

High-performance, thermally resilient polymer dielectrics are essential for film capacitors used in advanced electronic devices and renewable energy systems, particularly at elevated temperatures where conventional polymers fail to perform. Herein, we unravel the untapped potential of UiO-66 metal–organic framework (MOF) derivatives as exceptional nanofillers for tuning the properties of the widely used polyetherimide (PEI). Read more »

The ALS Releases New Version of Strategic Plan

The Advanced Light Source’s five-year strategic plan is now available, presenting our vision to be a premier synchrotron facility through team innovation and advanced technologies. Developed collaboratively with staff, partners, and users, the plan charts our course to deliver world-class capabilities with ALS-U and beyond, building on 2023 User Meeting science visioning workshops. Read more »

In Memoriam: Terry McAfee, Senior Scientific Engineering Associate

The ALS community is saddened to lose Terry McAfee, who was a caring and hardworking presence since he started coming to the facility as a graduate student. From ALS user to full-time staff, he always strove to create a welcoming environment. We will remember his passion for STEM and his love for his family. Read more »

Magnetization Switching in Highly Magnetostrictive Microstructures

Researchers learned how the size, shape, and orientation of microstructures affect how they switch magnetization directions in response to an applied voltage. The work advances our understanding of strain-responsive composite materials for use in energy-efficient electronic applications such as memory devices, sensors, and actuators. Read more »PPT-icon-35 PDF-icon-35

Summer 2024 Shutdown Recap

The ALS is back in user operation after more than two months of shutdown. By now, more than 80% of the Accumulator Ring (AR) has been installed, as well as both of its radio frequency (RF) cavities. A number of other tasks were also completed. Read more »