Similar to magic tricks seen in the movies, materials possessing properties known as phase transition can change from clear to cloudy when applied to an electric field or according to the temperature. A collaborative team of researchers, including physicists from Germany’s Friedrich Schiller University Jena, have created a method to engineer the transition point at specific temperatures for vanadium dioxide, a phase-transition material.
Chemical engineers from the University of Michigan have developed a stretchable, thin film that could help to provide improved follow-up treatment for cancer survivors.
A team of researchers from Penn State have developed a new and unique technique that enables the detection of single molecules of biological and chemical species from solid, liquid and gaseous samples, based on the ultra sensitivity of the surface-enhanced Raman scattering (SERS) with a slippery surface invented by Penn State. The researchers believe that the new technology would pave the way for various applications in the field of analytical chemistry, molecular diagnostics, environmental monitoring and national security.
A team of investigators led by Dreamweaver International has investigated the effects of heat and nail penetration on lithium ion cells by performing autopsies on cells post-test. The investigators found that conventional separators shrink, melt, crack, split and burn under extreme conditions, while separators made of more thermally stable materials show much less damage, and in some cases none of these effects.
A new alloy with cold-loving features is reported to be one of the toughest metallic alloys ever, according to a team of Berkeley Lab researchers.
Economical fabrication of electronics on curved or flexible surfaces could become a reality due to printed electronics.
The power of electron guns has been increased by a factor of 13,000 by the addition of tiny diamonds on the gun tip. This increase in power was also associated with an increase in accuracy. It is hoped this technique will be adapted in the next generation of particle accelerators and electron microscopes.
At this week’s IEEE IEDM conference, nano-electronics research center imec showed for the first time the integration of high mobility InGaAs as a channel material for 3D vertical NAND memory devices formed in the plug (holes) with the diameter down to 45nm. The new channel material improves transconductance (gm) and read current which is crucial to enable further VNAND cost reduction by adding additional layers in 3D vertical architecture.
“Moore’s law”, according to which chip performance would double approximately every two years, approaches its limit: soon it would be impossible to produce smaller transistors. A new quest, nick-named “more than Moore”, aims to add new functionalities within each chip by integrating smart materials on top of their silicon base.
The performance of lithium ion batteries (LIBs) has been improved by using graphene nanofoam electrodes that have been treated with hydrogen. The hydrogen treatment results in hole-formation in the defective graphene resulting in a more porous electrode.
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