electronic
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Physics
Next-Generation AI Hardware: 3D Photonic Electronic Platform Increases Efficiency and Bandwidth
3D photonic chip module. Credit: Keren Bergman Artificial intelligence (AI) systems promise transformative advancements, but their growth is limited by energy inefficiencies and bottlenecks in data transfer. Researchers at Columbia Engineering have announced a groundbreaking solution. Pleasing the path to next-generation AI hardware with a 3D photonic electronic platform that achieves unprecedented energy efficiency and bandwidth density. The study, “3D…
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Chemistry
Graphyne’s transformation: a new carbon form with the potential of electronic devices
Orthogonal to sheet plane views of stacked arrangements of graphine AA, AB1, AB2, and ABC. Only the AA and AB1 packing modes are consistent with the interplanar reaction of triple bonds forming polycetylene chains in the reacted graphine. Credit: Proceedings of the National Academy of Sciences (2025). doi:10.1073/pnas.2413194122 Graphine is a different carbon crystalline form than both diamond and graphite.…
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Nanotechnology
New study reveals exotic electronic crystals within graphene
TEC at ν = 1/4 of twisted bilayer–trilayer graphene. Credit: Nature (2025). DOI: 10.1038/s41586-024-08239-6 Researchers from the University of British Columbia, the University of Washington, and Johns Hopkins University have identified a new type of quantum state in a custom-designed graphene structure. The study, published in the journal Nature, reports the discovery of topological electron crystals in twisted bilayer-trilayer graphene.…
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Nanotechnology
‘Twisted’ 2D materials exhibit unexpected electronic behavior that defies theoretical predictions
This photo shows first author Giovanna Feraco (Zernike Institute for Advanced Materials, University of Groningen, Netherlands) operating an ultra-high vacuum (UHV) system at the synchrotron facility. Credit: University of Groningen In search of new materials that will enable more efficient electronics, scientists are researching so-called 2D materials. These are sheets just one atom thick and can have all sorts of…
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Chemistry
Graphene oxide and chitosan sponges found to be 10 times more efficient at removing gold from electronic waste
SEM images of Au3+ extraction and reduction by GO/chitosan sponge. Au3+ is displayed in yellow. Credit: Kou Yan A team of chemists and materials scientists from the National University of Singapore, in collaboration with colleagues from the University of Manchester in the UK and Guangdong University of Technology in China, have developed a type of sponge made of graphene oxide…
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