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"Instead of having a beam in a straight plane (a vector), the team has been able to make that beam rotated on any plane, with infinite control so now they can make that beam polarised in any direction and then they can tune the light frequency," Professor Min Gu said. "The new technique creates a truly unique way of aiming a beam of light so that it only reacts to very specific sets of particles." The research also paves the way for attacking can- cer cells with ultra-high medical safety.
Xiangping Li, Tzu-Hsiang Lan, Chung-Hao Tien, Min Gu: Three-dimensional orientation-unlimited polarization encryption by a single optically configured vectorial beam, In: Nature Communications,Vol. 3, August 14, 2012, Article number 998, DOI:10.1038/ncomms2006: http://dx.doi.org/10.1038/ncomms2006
Researcher at Ulsan National Institute of Science and Technology (UNIST), South Korea, have found a way to cut battery charging times for e-cars from hours down to minutes. The rate capability can be improved in lithium ion batteries (LIBs) by reducing the dimensions of the active material; however, the LIBs would then have insufficient electrode density. To overcome this problem, carbon-coated single-crystal LiMn2O4 nanoparticle clusters were synthesized as a cathode material for LIBs; this material can be densely packed on the current collector. © Angewandte Chemie
Sanghan Lee, Yonghyun Cho, Hyun-Kon Song, Kyu Tae Lee, Jaephil Cho: Carbon-Coated Single-Crystal LiM-n2O4 Nanoparticle Clusters as Cathode Material for High-Energy and High-Power Lithium-Ion Batteries, In: Angewandte Chemie Early View, August 02, 2012, DOI:10.1002/anie.201203581: http://dx.doi.org/10.1002/ange.201203581
Researchers at Hokkaido University and Japan Science and Technology Agency – PRESTO have reported surrounding-gate transistors (SGTs) using compound semiconductor core–multishell (CMS) nanowire (NW) channels on silicon. © Mike Cooke
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