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Recent demonstrations of moiré magnetism, featuring exotic phases with noncollinear spin order in the twisted van der Waals (vdW) magnet chromium triiodide CrI3, have highlighted the potential of twist engineering of magnetic (vdW) materials. In this paper, researchers, including School of Physics assistant professors Hailong Wang and Chunhui Du, reported the observation of two distinct magnetic phase transitions with separate critical temperatures within a moiré supercell of small-angle twisted double trilayer CrI3.
Nature Communications July 8, 2024A team of researchers, led by Georgia Tech alumna Feifei Qian and School of Earth and Atmospheric Sciences Assistant Professor Frances Rivera-Hernández, continue to work on the LASSIE Project, which stands for Legged Autonomous Surface Science in Analogue Environments. They want to see just how well a four-legged robot could make it up Mount Hood’s gravel and snow. “It’s literally a robotic dog form,” said Qian. “It can plow. It can basically dig a hole.” She added, "the information the robot sends back with each step could tell scientists whether it’s good to build a structure in a certain spot on the moon or whether it’d be good to excavate."
Oregon Public Broadcasting July 4, 2024A geologically rapid Neoproterozoic oxygenation event is commonly linked to the appearance of marine animal groups in the fossil record. However, there is still debate about what evidence from the sedimentary geochemical record—if any—provides strong support for a persistent shift in surface oxygen immediately preceding the rise of animals. In this article, a team of researchers, including School of Earth and Atmospheric Sciences Postdoctoral Scholar Devon Cole, combined approaches from statistical learning, biogeochemical modeling and ecophysiology to better constrain changes in global ocean biogeochemistry and marine animal habitats through the Neoproterozoic and Palaeozoic eras.
Nature Geoscience July 2, 2024