Materials Science

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MIT researchers examining a 3D holographic model of relaxor ferroelectric atomic structure visualized via multislice electron ptychography.
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MIT-led team uses multislice electron ptychography to map 3D structure of relaxor ferroelectrics

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MIT researchers and collaborators have directly characterized the three-dimensional atomic and polar structure of a relaxor ferroelectric using a technique called multislice electron ptychography, reporting that key polarization features are smaller than leading simulations predicted—results that could help refine models used to design future sensing, computing and energy devices.

Scientists at California Polytechnic State University have discovered new forms of quantum matter by varying magnetic fields over time. The breakthrough, detailed in Physical Review B, shows that time-dependent control can produce stable quantum states without static equivalents. This could advance quantum computing by making systems more resistant to errors.

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Researchers at EPFL have developed Synthegy, an AI framework that lets chemists guide complex molecule synthesis using simple language instructions. The system combines traditional algorithms with large language models to evaluate and rank reaction pathways. It also aids in understanding reaction mechanisms, potentially speeding up drug discovery.

China's China Spallation Neutron Source (CSNS) has reached a significant milestone in its Phase II construction, with its first beamline—the neutron technology development station—successfully producing a neutron beam. This marks the completion of equipment development and installation for the beamline. Located in Dongguan, Guangdong province, the facility operates like a super microscope, using neutrons to examine materials and support breakthroughs in renewable energy, aerospace, and bioscience.

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Researchers at Oak Ridge National Laboratory have developed RidgeAlloy, a new aluminum alloy that transforms contaminated scrap from car bodies into high-performance material for vehicle parts. This innovation addresses recycling challenges posed by impurities, potentially reducing energy use by up to 95 percent compared to primary aluminum production. The breakthrough could enable the reuse of up to 350,000 tons of aluminum scrap annually in North America by the early 2030s.

Researchers at The University of Osaka have developed ultra-small pores in silicon nitride membranes that approach the scale of natural ion channels. These structures enable repeatable opening and closing through voltage-controlled chemical reactions. The advance could aid DNA sequencing and neuromorphic computing.

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Researchers at BESSY II have experimentally verified that self-assembled phosphorus chains on a silver surface exhibit truly one-dimensional electronic properties. By separating signals from chains aligned in different directions, the team revealed each chain's distinct one-dimensional electron structure. The findings suggest that increasing chain density could shift the material from semiconductor to metal behavior.

 

 

 

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