Researchers detected the signatures of ancient magnetic fields imprinted in the ferromagnetic grains of meteorites that originated from the same parent body. The results, combined with radioisotopic dating of the samples, support an extended time frame for the cooling of molten protoplanetary cores. Read more »
The Spintronics Technology Revolution Could Be Just a Hopfion Away
Scientists have long treated skyrmions as merely 2D objects. Recent studies, however, have suggested that 2D skyrmions could actually be the genesis of a 3D spin pattern called hopfions. Now, a team of researchers has reported the first demonstration and observation of 3D hopfions emerging from skyrmions at the nanoscale in a magnetic system. Read more »
Clency Easterling, Senior Material Specialist
Even before joining the ALS in 2015, Clency was impressed by the scientific mission of the facility. Although his work takes him all over the ALS, he is interested in one particular type of research—find out what has captured his attention. Read more »
Skyrmion Creation and Annihilation Made Simple
Researchers developed a simple approach to writing and deleting skyrmions on demand, using heat and magnetic fields generated by an electrical current, by-products normally considered problematic. The ubiquitous character of these effects, coupled with simplicity of design, offers much-needed scalability and broad applicability. Read more »
A COSMIC Approach to Nanoscale Science
COSMIC, a multipurpose x-ray instrument, has made headway since its launch less than two years ago, with groundbreaking contributions in fields ranging from batteries to biominerals. Its capabilities include world-leading microscopy resolution, extreme chemical sensitivity, and ultrafast scanning speed. Read more »
Ken Baptiste, Electrical Engineering Group Leader
Ken Baptiste has been with the ALS since its origin, and he’s been known for his delicious rum cake that entire time. Along the way, he’s learned about the importance of meticulous planning and discovered a few hidden spaces at the Lab. Read more »
To Speed Discovery, Infrared Microscopy Goes “Off the Grid”
Researchers developed a highly efficient way to collect infrared microscopy data that avoids the use of slow, grid-based raster scans. The method substantially reduces image-acquisition times by autonomously increasing sampling density in regions of interest, facilitating infrared spectromicroscopy of biochemical processes in real time. Read more »
Actor in a Supporting Role: Substrate Effects on 2D Layers
ALS studies highlighted interactions that can occur between technologically intriguing 2D materials and the substrates that physically support them. The results provide important insights into the issue of non-negligible interlayer coupling and demonstrate the potential for tuning single-layer properties through substrate engineering. Read more »
A Detailed Look Inside Tsetse Flies
To better understand the unique reproductive biology of tsetse flies, which are carriers of the parasites that cause a deadly infection known as African sleeping sickness, researchers explored the intact organs and tissues of tsetse flies using a powerful 3D x-ray imaging technique at Berkeley Lab’s Advanced Light Source. Read more »
Materials from Town Hall on Shutdown Schedules Now Available
On January 26, the ALS held a town hall on the schedule for upcoming long shutdowns. The event provided up-to-date information on the schedule, explained the motivations behind decisions, and discussed principles and strategies for future decision-making. Slides and a recording from the event, as well as an FAQs document, are posted to the ALS website. Read more »
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