Researchers found that a small-molecule protein inhibitor—screened from billions of compounds and analyzed using structural insights from protein crystallography—reversibly suppresses male fertility in mice. The work addresses the pressing need for more contraceptive options that enable all individuals to control their own fertility. Read more »
A New Way to “Squeeze” Infrared Wavelengths Down to Size
Researchers demonstrated a new way to confine, or “squeeze,” infrared light by coupling photons with phonons (lattice vibrations) within a certain type of thin film. The work heralds a new class of optical materials for controlling infrared light, with potential applications in photonics, sensors, and microelectronic heat management. Read more »
ALS in the News (August 2024)
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- New national energy storage hub will enable transformative battery advancements
- Five ways LiSA is advancing solar fuels
- Documentary-style video highlights life at Berkeley Lab
- Scientists found dark electrons: a secret quantum state hidden in solid matter
- Daniela Leitner named Berkeley Lab’s next Engineering Division director and chief engineer
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4f-Orbital Mixing Increases the Magnetic Susceptibility of Cp’3Eu
The ability to harness the 4f-orbital anisotropies and magnetic susceptibilities of lanthanide elements is key to their application in molecular magnetism, including as molecular qubits and single-molecule magnets. Here, 4f orbital mixing and its impact on the magnetic susceptibility of a trivalent Eu organometallic complex was analyzed experimentally. Read more »
Mechanism of an Economical Way to Produce Al–Ce Alloy
A time-resolved diffraction study conducted at the ALS revealed mechanistic insight into a multi-step chemical reaction for the economical production of aluminum–cerium alloy, a high-performance material with superior temperature stability. The results provide crucial information for the application of the method on an industrial scale. Read more »
Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro- to nano-scale
The work reported here addresses the question of how the organic matter (OM) in the Hayabusa2 samples compares and contrasts with OM from primitive carbonaceous chondrites, as observed primarily by transmission electron microscopy in concert with other microanalytical techniques. Read more »
Strategic ALS Projects Reach Key Milestones
Thanks to the hard work and dedication of multidisciplinary teams from groups across the ALS, a spate of important milestones occurred over the past month, for projects involving the new QERLIN beamline, the MERLIN beamline upgrade, and a new chamber for computer-chip metrology in Sector 12. Read more »
Converting N2 into Usable Form under Ambient Conditions
Researchers learned how molecular structure relates to function in catalysts that convert atmospheric nitrogen into more usable forms at room temperature and pressure. The work could lead to greater energy efficiency in producing nitrogen-based products such as fertilizer where large-scale industrial processes are unfeasible. Read more »
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 »
ALS in the News (July 2024)
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