Sentences with phrase «from nanowires»

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).

«Silicon chip with integrated laser: Light from a nanowire: Nanolaser for information technology.»

An inserted organic material works as a spacer layer to control the energy transfer from the nanowire into the metal.

«We want to overcome these losses by pumping energy from nanowire excitons, or electronic excitations, into the metal.

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Not exact matches

This creates just enough collisions to allow electrons to exchange from one to the next until they reach the end of the nanowire and transfer to the rock or metal surface.

«One rather exciting feature is that the images taken under the electron microscope show the nanowires to have a slightly different shape,» says co-author Thomas Keller from DESY NanoLab.

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.

Ultrafast electron diffraction reveals that exciting the electrons of a zinc oxide nanowire causes a sudden extension, more than a hundred times longer than expected from heating.

Gadgetry out of Rogers» lab has included everything from wireless electronic implants that fight a bacterial infection and then disappear, to stretchable batteries made of tiny nanowires arranged to resemble an accordion's bellows.

Nanowires carved from silicon detect small traces of protein and might be amenable to mass production

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.

«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 nanowires are grown from a specially etched substrate such that they form exactly the desired network which they then expose to a stream of aluminium particles, creating layers of aluminium, a superconductor, on specific spots on the wires — the contacts where the Majorana particles emerge.

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.

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 wide.

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.

Tiny cages with nanowire bars could block light from entering or exiting, but allow other materials through — which might be useful for biomedicine

One reason it's tricky to make and hook up nanowires, made of single - crystal silicon, or nanotubes, made of molecule - thick sheets of carbon, is that they are fragile and can easily break when transported from one substrate to another.

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.

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.

Concentrated heat can induce nanowires or nanotubes to sprout from a silicon chip.

An electric current can do the trick; as an electron crosses a domain wall and feels its own magnetic pointing, or spin, flipped from one orientation to the other, it forces an atom within the nanowire to flip magnetic orientations as well to compensate.

Then, they transferred silver nanowires from a filter membrane to the nacre mimetic sheet by hot pressing the pearly substrate against the membrane.

Copper's rippled surface could add to the electrical resistance of nanowires made from the metal.

Further microscopy of the nanowire showed that the structure of the tin oxide atoms had changed from an ordered crystalline arrangement to an amorphous glass - like form.

For the experiment, the team built a tiny battery with a lithium - cobalt anode and a cathode made from tin oxide nanowires just 200 nanometres wide.

Scanning electron micrograph image of germanium nanowires electrodeposited onto an indium tin oxide electrode from aqueous solution.

To fill this gap, Bharathi Srinivasan and co-workers from the A * STAR Institute of High Performance Computing have developed a computational approach that sheds light on the self - assembly of these nanostructures on multi-sided, or polygonal, nanowires.

Nanowires embedded in fabric produce small currents of electricity from the wearer's normal movement.

The nanowire path beyond the superconductor is configured into a junction and the team ensures that the electrons take separate directions when they meet this fork by placing a «gate» built from a nanocrystal, called a quantum dot, at the head of each path.

Still image from video showing Shewanella bacteria roughly 1 / 50th the width of a human hair reaching out nanowires to breathe when deprived of oxygen.

(Clips from «Shewanella oneidensis MR - 1 nanowires are outer membrane and periplasmic extensions of the extracellular electron transport components,» El - Naggar et al., PNAS 2014)

It was confirmed when they used a strain of Geobacter genetically altered to prevent it from producing nanowires, and the process did not work.

The UMass Amherst teams knew from previous studies that Geobacter grow electrically conductive filaments known as microbial nanowires, which can transport electrons outside the cell to make electrical connections with minerals, electrodes or other cells.

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.

The breakthrough from physicists at the University of Sussex has been to combine silver nanowires with graphene — a two dimensional carbon material.

The team then developed a cathode made entirely from tellurium nanowires just seven nanometers wide, which they laid together to form a mat.

Unique patterns made from tiny, randomly scattered silver nanowires have been created by a group of researchers from South Korea in an attempt to authenticate goods and tackle the growing problem of counterfeiting.

The purpose is to better understand and try to model how energy is getting transferred from the semiconductor nanowire into the metal.

These nanowires can transfer electrons over long distances, and have incredible properties that are very different from our man - made wires.

We published before the conversion of exciton to plasmon, and from plasmon to exciton using silver nanowire / 2D semiconductor hybrids, but this is the first time that we can complete the circle going from plasmons to excitons and back to plasmons.

He has recently developed a fundamentally new synthesis mechanism to fabricate oxide nanowires from low - cost powders.

In the notice, Chang Ming Li from the Institute for Clean Energy & Advanced Materials (ICEAM) at Southwest University in China, states that there is «insufficient evidence to conclusively» identify the composition of the nanowire array described in the article, which «severely undermines the validity of the reported conclusions.»

The things that we have demonstrated — such as the fact that the vertical nanowires can deliver any biological effector to any cell type in a spatially selected fashion — have drawn interest from many different people, and we have been working with stem cell institutes and others to demonstrate the unique utility of this particular platform.

With our chip, which can electrically as well as chemically interface with neurons, we can individually address individual nanowires or nanowire bundles that are penetrating the cells so that we can record from individual cells.

When a nanowire made from a semiconductor is connected to a superconductive material, researchers see a so - called zero - bias peak in the case of certain magnetic fields and electrical charge.

The authors of the Angewandte Chemie study, Liangfang Zhang and Joseph Wang from the University of California San Diego, and their colleagues now propose ultrasound - propelled gold nanowires as an active transport / release vehicle for the Cas9 - sgRNA complex over the membrane.