Sentences with phrase «use nanowires»

Scientists have long sought to use nanowires in batteries.
HP: Typically, we use nanowires with ~ 100 nm in diameter.
He first designed a system that uses nanowires coated with bacteria.
The team set up an aluminium superconductor and built an escape route for the electrons using nanowires.
Na, Y.R., Kim, S.Y., Gaublomme, J.T., Shalek, A.K., Jorgollia, M., Park, H. and Yang, E.G., «Probing Enzymatic Activity inside Living Cells Using a Nanowire − Cell «Sandwich» Assay,» Nano Lett., 13, 153 (2013).
HP: What we have shown so far is that we can indeed introduce a variety of different biochemicals into neurons, neuronal networks and now even tissues using these nanowires in a spatially selected fashion.
The process works through a mixture of steps using nanowires and bacteria that work together to mimic the photosynthesis process that plants use to turn carbon dioxide into food and the byproduct, oxygen.
For this new battery, the researchers used nanowires, which are highly conductive and have a large surface area, making them great at holding charge as electrodes.

Not exact matches

A team of researchers at UCI had been experimenting with nanowires for potential use in batteries, but found that over time the thin, fragile wires would break down and crack after too many charging cycles.
Their paper published on March 22 by the Proceedings of the National Academy of Sciences highlights research that offers a new understanding of how these bacteria may use «nanowires» to accomplish the electronic feat.
The nanowires collect sunlight, much like the light - absorbing layer on a solar panel, and the bacteria use the energy from that sunlight to carry out chemical reactions that turn carbon dioxide into a liquid fuel such as isopropanol.
Using epitaxy, the semiconductor nanowires can then be grown atom for atom out of these holes.»
The nanowires are produced by a company in Sweden and this new information can be used to tweak the layer structure in the nanowires.
Silver nanowires have drawn significant interest in recent years for use in many applications, ranging from prosthetic devices to wearable health sensors, due to their flexibility, stretchability and conductive properties.
While proof - of - concept experiments have been promising, there have been significant challenges to printing highly integrated circuits using silver nanowires.
«Given the technique's efficiency, direct writing capability, and scalability, we're optimistic that this can be used to advance the development of flexible, stretchable electronics using silver nanowires — making these devices practical from a manufacturing perspective,» Zhu says.
The researchers have used the new technique to create prototypes that make use of the silver nanowire circuits, including a glove with an internal heater and a wearable electrode for use in electrocardiography.
The researchers studied nanowires using X-ray microscopy and with this method they can pinpoint exactly how the nanowire should be designed to give the best properties.
Last year, the same team led by USC Viterbi electrical engineering professor Chongwu Zhou developed a successful anode design using porous silicon nanowires that allowed the material to expand and contract without breaking, effectively solving the pulverization problem.
Researchers at North Carolina State University have developed a new technique that allows them to print circuits on flexible, stretchable substrates using silver nanowires.
Using a compact but powerful laser to heat arrays of ordered nanowires, CSU scientists and collaborators have demonstrated micro-scale nuclear fusion in the lab.
These proteins can be used to precipitate gold from a solution, craft aluminum nanowires to form semiconductors, or soak up dyes or heavy metals from contaminated water, according to researchers.
«Before we can put this discovery to use and make an actual device, we have many more studies to do, including determining how to separate out the individual nanowires, and overcoming technical challenges to manufacturing and mass production,» Kim said.
In the presented experiment they formed intersections using the same kinds of nanowire so that four of these intersections form a «hashtag», #, and thus create a closed circuit along which Majoranas are able to move.
«These nanowires are about 10 times smaller than the smallest silicon wires, and, if used in future technology, would result in powerful energy - efficient devices,» Kim said.
The new approach uses yarns, made from nanowires of the element niobium, as the electrodes in tiny supercapacitors (which are essentially pairs of electrically conducting fibers with an insulator between).
Yarn made of niobium nanowires, seen here in a scanning electron microscope image (background), can be used to make very efficient supercapacitors, MIT researchers have found.
A separate group in Zhang's lab accomplished a similar feat using silver nanowires embedded in a solid base.
Previously it has been shown that the chirality can be manipulated by applying magnetic fields to complicated nanowire geometries, but the use of magnetic fields is wasteful of energy and limits the ability to address individual domain walls selectively.
A team of Korean researchers, affiliated with Ulsan National Institute of Science and Technology (UNIST) has recently pioneered in developing a new simple nanowire manufacturing technique that uses self - catalytic growth process assisted by thermal decomposition of natural gas.
In a study, reported in the January 21, 2016 issue of Nano Letters, the team demonstrated a new redox - responsive assembly method to synthesize hierarchically structured carbon - sheathed germanium nanowires (c - GeNWs) on a large scale by the use of self - catalytic growth process assisted by thermally decomposed natural gas.
A team of Korean researchers, affiliated with UNIST has recently pioneered in developing a new simple nanowire manufacturing technique that uses self - catalytic growth process assisted by thermal decomposition of natural gas.
Small magnetic domain wall structures in nanowires can be used to store information and, for example, can be used as angle sensors.
An experiment that, by design, was not supposed to turn up anything of note instead produced a «bewildering» surprise, according to the Stanford scientists who made the discovery: a new way of creating gold nanoparticles and nanowires using water droplets.
In the information technology world, nanoprinting could be used to achieve the controlled placement of catalytic seed particles for growing semiconducting nanowires.
It will help advance the development of nanoscale biosensors and ultratiny lenses that can bend light inside future optical chips as well as the fabrication of nanowires that could be used to build more advanced computer chips, researchers report in Nature Nanotechnology.
One group at Lund University in Sweden has been able to kick - start the spontaneous growth of «forests» of 1000 - nm - high «nanowire trees», using 50 - nm - wide clusters of gold as a catalyst, and a gallium phosphide substrate.
DNA and viruses are already commonly in use to build nanowires of inorganic materials, he says.
Wang and his team looked at creating a nanowire material that was flexible, easily manufactured and environmentally friendly and could cool with an electric field safe for human use.
Their vertically aligned ferroelectric barium strontium titanate nanowire array can cool about 5.5 degrees Fahrenheit using 36 volts, an electric field level safe for humans.
The researchers use a template so all the nanowires grow perpendicular to the glass» surface and to the same height.
Also, it is used as nanowires in electrical measurement technology.
A study in the journal Nature Materials details the creation of a nanowire - based technology that absorbs solar energy at comparable levels to currently available systems while using only 1 percent of the silicon material needed to capture photons.
The germanium nanowires produced by this method have superior electronic properties compared to silicon and can be used as high - capacity anode material for lithium - ion batteries, but the nanowires were previously too expensive and difficult to produce.
This approach allowed them to lithographically define oxide templates and fill them via epitaxy, in the end making nanowires, cross junctions, nanostructures containing constrictions and 3 - D stacked nanowires using the already established scaled processes of Si technology.
It was confirmed when they used a strain of Geobacter genetically altered to prevent it from producing nanowires, and the process did not work.
Gallium nitride nanowires, however, don't experience the same sort of crystal strain, so scientists hope to use them as tunable, broad - spectrum light sources.
«While silver nanowires have been used in touch screens before, no one has tried to combine them with graphene.
It would be relatively simple to combine silver nanowires and graphene in this way on a large scale using spraying machines and patterned rollers.
Dr Matthew Large, University of Sussex, flexes a screen made from acrylic plastic coated in silver nanowires and graphene to illustrate the kind of touch screens that can potentially be produced using the new approach.
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