For the past 25 years, scientists and engineers from the Center for X-Ray Optics (CXRO) have worked to develop EUV lithography, a technique that enables microchip circuits and transistors that are tens of thousands of times thinner than a strand of human hair. Patrick Naulleau, a CXRO scientist who helped develop EUV lithography, shares his perspective in this Q&A. Read more »
ALS in the News (May 2022)
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- Not just pollen in the spring: Wild grass releases a variety of particles into the air
- DOE Office of Science budget: FY22 outcomes and FY23 request
- Senate confirms Berhe as federal Office of Science director
- Four Berkeley Lab scientists elected to the American Academy of Arts and Sciences
- Physics Ph.D. student awarded fellowship at Berkeley Lab
- 75 Years of Science with Synchrotron Light (lightsources.org virtual symposium recording)
- Unlocked enzyme structure shows how strigolactone hormone controls plant growth
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Bacterial Enzyme Produces Biodegradable Polymer
Researchers discovered a bacterial enzyme that synthesizes a biopolymer whose repeating units are linked together in way that had not been previously observed. The new polymer is biodegradable and may be biocompatible, with potential for applications ranging from medical therapeutics to eco-friendly plastic alternatives. Read more »
A Machine-Learning Approach to Better Batteries
Researchers extracted the relationship between strain and composition in a battery material by applying machine-learning methods to atomic-scale images. The work could lead to more durable batteries and also highlights the potential of integrating microscopy techniques with machine learning to gain insights into complex materials. Read more »
Looking Inside a Battery with Infrared Light
Researchers have developed a new infrared methodology with unparalleled spatial and chemical imaging capabilities that helps to characterize processes at the interfaces between electrodes and electrolytes, with an eye toward bringing increased safety, lifetime, and energy density to the next-generation solid-state battery market. Read more »
Exploring Critical Synthetic Parameters for Nanoscale ε-Fe2O3 and Their Influence on Magnetic Behaviors
An intermediate polymorph of iron oxide, ε-Fe2O3, has attracted significant attention for potential applications in high-frequency mm-wave absorption and high-density magnetic recording. However, fabrication is still a challenge. Here, we identified critical reaction parameters to improve the phase purity and tested their effects. Read more »
Infrared Probe of Ultrahigh-Quality Nanoribbon Resonators
Researchers found that ribbon-like thin films, grown through a bottom-up, self-assembly approach, can act as ultrahigh-quality nanoscale resonators of lattice vibrations at infrared frequencies. These ultrathin nanostructures are ideal platforms for applications that harness infrared light, such as thermal emission and molecular sensing. Read more »
ALS in the News (April 2022)
Dynamic Measurements of Antiferromagnetically Aligned Spins
Researchers developed a technique that enables time-resolved, direct detection of spin currents in either ferromagnetic or antiferromagnetic materials at GHz frequencies. Studying the dynamic properties of antiferromagnetic spintronic effects could lead to greater stability and faster intrinsic switching speeds compared to conventional spintronics. Read more »
Key to Coral Resilience Is Faster Skeletal Crystallization
In a new study, researchers show that the crystallization rate of coral skeletons differs across species and is correlated with their resilience to ocean acidification. The results have implications for predicting coral reef survival and developing mitigation strategies against having their bony skeletons weakened by ocean acidification. Read more »
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