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News articles about "Conductivity"

Carbon nanotube fibers make superior links to brain

Carbon nanotube fibers invented at Rice University may provide the best way to communicate directly with the brain The fibers have proven superior to metal electrodes for deep brain stimulation and to read signals from ... - Read More

Tiny bio-robot is a germ suited-up with graphene quantum dots

As nanotechnology makes possible a world of machines too tiny to see researchers are finding ways to combine living organisms with nonliving machinery to solve a variety of problems Like other first generation bio robots ... - Read More

A graphene solution for microwave interference

Microwave communication is ubiquitous in the modern world with electromagnetic waves in the tens of gigahertz range providing efficient transmission with wide bandwidth for data links between Earth orbiting satellites and ground stations Such ultra ... - Read More

High power and high safety oxide-based negative electrode materials for Li-ion battery

Mixed Ti Nb oxide Ti2Nb10O29 TNO is one of the negative electrode materials for large scale Li ion battery with high safety because the potential = 1.6 V vs Li Li+ for Li storage of ... - Read More

High performance, lightweight supercapacitor electrodes of the future

As a novel energy storage device supercapacitors have attracted substantial attention in recent years due to their ultra high charge and discharge rate excellent stability long cycle life and very high power density Imagine charging ... - Read More

Squeezing out new science from material interfaces

With more than five times the thermal conductivity of copper diamond is the ultimate heat spreader But the slow rate of heat flow into diamond from other materials limits its use in practice In particular ... - Read More

2D nitrogenated crystals new potential rival for graphene

Researchers in South Korea have for the first time developed a simple technique to produce a two dimensional nitrogen containing crystal that has the capacity to be a potential rival to graphene and silicon as ... - Read More

Electrons in slow motion

At the origin of the properties of high temperature superconductors lies a phenomenon that is too fast to be observed experimentally with conventional methods A team of scientists from different research centres including the Milan ... - Read More

Graphene meets heat waves

In the race to miniaturize electronic components researchers are challenged with a major problem the smaller or the faster your device the more challenging it is to cool it down One solution to improve the ... - Read More

New flexible films for touch screen applications achieve longer lasting display

Today touch screens are everywhere from smart phones and tablets to computer monitors to interactive digital signage and displays Many touch screens are made of layered thin billionths of a meter thick films of indium ... - Read More

Researchers discover new material to produce clean energy

Researchers at the University of Houston have created a new thermoelectric material intended to generate electric power from waste heat from a vehicle tailpipe for example or an industrial smokestack with greater efficiency and higher ... - Read More

Mystery solved: Why seashells' mineral forms differently in seawater

For almost a century scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans Why does calcium carbonate the tough material of seashells and corals sometimes take ... - Read More

Graphene Research: Electrons Moving along Defined Snake States

Physicists at the University of Basel have shown for the first time that electrons in graphene can be moved along a predefined path This movement occurs entirely without loss and could provide a basis for ... - Read More

Bringing clean energy a step closer

For nearly half a century scientists have been trying to replace precious metal catalysts in fuel cells Now for the first time researchers at Case Western Reserve University have shown that an inexpensive metal free ... - Read More

In quest for better lithium-air batteries, chemists boost carbon's stability

To power a car so it can travel hundreds of miles at a time lithium ion batteries of the future are going to have to hold more energy without growing too big in size That's ... - Read More

Quantum many-body systems on the way back to equilibrium

Advances in experimental and theoretical physics enable a deeper understanding of the dynamics and properties of quantum many body systems Considering that one cubic centimetre of matter already contains about 1019 to 1023 particles it ... - Read More

New technique for making graphene competitor, molybdenum disulfide

Graphene a single atom thick lattice of carbon atoms is often touted as a replacement for silicon in electronic devices due to its extremely high conductivity and unbeatable thinness But graphene is not the only ... - Read More

Novel crumpling method takes flat graphene from 2-D to 3-D

Researchers at the University of Illinois at Urbana Champaign have developed a unique single step process to achieve three dimensional 3D texturing of graphene and graphite Using a commercially available thermally activated shape memory polymer ... - Read More

Research shows benefits of silicon carbide for sensors in harsh environments

The use of silicon carbide as a semiconductor for mechanical and electrical sensor devices is showing promise for improved operations and safety in harsh working environments according to new research from Griffith University Experiments with ... - Read More

Quest for efficiency in thermoelectric nanowires

Efficiency is big in the tiny world of thermoelectric nanowires Researchers at Sandia National Laboratories say better materials and manufacturing techniques for the nanowires could allow carmakers to harvest power from the heat wasted by ... - Read More
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