Sentences with phrase «nanowires in»

Scientists have long sought to use nanowires in batteries.

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.

Moreover, there is no simple way to grow different types of nanowires in the same environment and on the same substrate.

Also, it is used as nanowires in electrical measurement technology.

These wires are created by partly embedding a silicon nanowire in a polymer and subsequent etching of the exposed part of the nanowire.

To prevent that, the researchers coated a gold nanowire in a manganese dioxide shell and encased the assembly in a Plexiglas - like gel electrolyte.

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.

«We found out that the growth of the nanowires is not only due to the VLS mechanism but that a second component also contributes, which we were able to observe and quantify for the first time in this experiment.

But in 2013, a research scientist in El - Naggar's laboratory, Sahand Pirbadian, discovered that these projections, referred to as «nanowires,» were actually extensions of the cell membrane covered in cytochromes — proteins containing iron that facilitate electron transport.

Whereas the fine nanowires initially crystallise in a hexagonal, so - called wurtzite structure, this behaviour changes after some time and the wires adopt a cubic zinc blende structure as they continue to grow.

Their findings do not only provide for a better understanding of growth, they also enable approaches to customizing nanowires with special properties for certain applications in the future.

«We found that growth of nanowires is not only caused by the VLS process, but also by a second component that was observed and quantified directly for the first time in this experiment.

The researchers installed the chamber in the research light source PETRA III of the German Electron Synchrotron (DESY) and took X-ray pictures every minute to determine the structure and diameter of the growing nanowires.

With the images produced by ECT, the team was the first to see how electron transport proteins were distributed in the membrane to form the nanowires.

Independently of VLS growth, the vapour deposited material also attaches itself directly to the side walls, particularly in the lower region of the nanowire.

«This process is very elegant because it allows us to position the nanowire lasers directly also onto waveguides in the silicon chip,» says Koblmüller.

By reducing the density of nanowires, the expansions reach even larger values and occur at shorter times, suggesting a decrease of the structural constraint in transient atomic motions.

The nanowires are produced by a company in Sweden and this new information can be used to tweak the layer structure in the nanowires.

Professor Robert Feidenhans» l explains that there is great potential in such 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.

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.

A device that slides magnetic bits back and forth along nanowire «racetracks» could pack data in a three - dimensional microchip and may replace nearly all forms of conventional data storage

By applying a magnetic field to semiconducting nanowires laid across a superconductor, you can move electrons along these wires, creating two points in space that each mimic half an electron.

Nanowires are very small — about 2 micrometers high (1 micrometer is a thousandth of a millimetre) and 10 - 500 nanometers in diameter (1 nanometer is a thousandth of a micrometer).

Blumenthal's team etched germanium - gallium - arsenic nanowires a hundred times thinner than a human hair in a semiconductor.

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.

Bacteria in ocean sediments appear to string together nanowires to connect complementary but spatially separated chemical processes, according to a new study.

In an article published online March 10 in the journal Advanced Materials, Dr. Moon Kim and his colleagues describe a material that, when heated to about 450 degrees Celsius, transforms from an atomically thin, two - dimensional sheet into an array of one - dimensional nanowires, each just a few atoms widIn an article published online March 10 in the journal Advanced Materials, Dr. Moon Kim and his colleagues describe a material that, when heated to about 450 degrees Celsius, transforms from an atomically thin, two - dimensional sheet into an array of one - dimensional nanowires, each just a few atoms widin the journal Advanced Materials, Dr. Moon Kim and his colleagues describe a material that, when heated to about 450 degrees Celsius, transforms from an atomically thin, two - dimensional sheet into an array of one - dimensional nanowires, each just a few atoms wide.

In essence, it proves that electrons on a one - dimensional semiconducting nanowire will have a quantum spin opposite to its momentum in a finite magnetic fielIn essence, it proves that electrons on a one - dimensional semiconducting nanowire will have a quantum spin opposite to its momentum in a finite magnetic fielin a finite magnetic field.

And in 2006, researchers at Dresden Technical University, Germany, studied the swords with an electron microscope and discovered that their strength probably comes from carbon nanotubes and nanowires made from a mineral called cementite.

In an attempt to break that barrier, researchers have taken a small step toward producing nanowires and nanotubes directly on silicon chips.

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.

So the bacteria evidently form a sort of conductive chain, comprising biological nanowires and possibly pyrite grains embedded in the mud, that allows electrons from the oxidation of hydrogen sulfide and carbon within the sediment to contribute to the reduction of oxygen by other microbes at the sediment surface.

«This information is consistent with previous reports observing Majorana fermions in these nanowires,» Dr Cassidy said.

Nanowires grew from the MEMS to lengths of 5 to 10 micrometers all anchored at one end to the MEMS bridges, the team reports in the 30 June issue of Applied Physics Letters.

«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.

If you have single nanowires that are very, very tiny and then you have to put them in particular places, it's very difficult.

In addition, the material is highly flexible and could be woven into fabrics, enabling wearable forms; individual niobium nanowires are just 140 nanometers in diameter — 140 billionths of a meter across, or about one - thousandth the width of a human haiIn addition, the material is highly flexible and could be woven into fabrics, enabling wearable forms; individual niobium nanowires are just 140 nanometers in diameter — 140 billionths of a meter across, or about one - thousandth the width of a human haiin diameter — 140 billionths of a meter across, or about one - thousandth the width of a human hair.

In this new work, he and his colleagues have shown that desirable characteristics for such devices, such as high power density, are not unique to carbon - based nanoparticles, and that niobium nanowire yarn is a promising an alternative.

Physicist Stuart Parkin and his colleagues at the IBM Almaden Research Center in San Jose, Calif., set out to determine just how magnetized regions move along nanowires when driven by electric current.

In their approach, they discovered that germanium nanowires are grown by the reduction of germanium oxide particles and subsequent self - catalytic growth during the thermal decomposition of natural gas, and simultaneously, carbon sheath layers are uniformly coated on the nanowire surface.

That latter characterization is certainly true of racetrack memory, a proposed scheme in which data bits, encoded as magnetized regions on nanowires, move back and forth along the nanowire «racetrack» and past read / write heads.

The collective flipping of large numbers of metallic nanowire atoms, forced by a large number of electrons in the electric current, moves the domain wall — and the data bits it separates — along.

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 gaIn 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 gain 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.