Sentences with phrase «nanowires with»

Berkeley Lab researchers using a bioinorganic hybrid approach to artificial photosynthesis have combined semiconducting nanowires with select microbes to create a system that produces renewable molecular hydrogen and uses it to synthesize carbon dioxide into methane, the primary constituent of natural gas.

HP: Typically, we use nanowires with ~ 100 nm in diameter.

Since these nanowires are prepared using standard semiconductor processing techniques, we can prepare, within, say, an hour or so, 6 - inch wafers full of nanowires with varying densities, varying lengths and varying diameters.

They also developed a method to completely surround the nanowires with layers of 10 - nanometer - thick gold films.

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

Srinivasan's team designed two - and three - dimensional (2D and 3D) models of nanowires with a square, hexagonal or octagonal core surrounded by various shell configurations.

The defected nanowires with diameters smaller than 1.8 nm and a single stacking fault, surprisingly, have higher a yield stress compared to their counterparts with perfect structures.

The findings also provide new approaches to tailoring nanowires with desired properties for specific applications.

Finally, they measured the fully grown nanowires with an electron microscope.

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.

The gold strips act as gates: A voltage applied to them stops or starts the flow of electrons through the main nanowire with an unprecedented combination of speed and precision.

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.

Energy penetration into arrays of aligned nanowires irradiated with relativistic intensities: Scaling to terabar pressures

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.

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

He first designed a system that uses nanowires coated with bacteria.

«We were able to demonstrate that manufacturing silicon chips with integrated nanowire lasers is possible.»

A team there recently printed what they call silver nanowire ink — a paste composed of 100 - nanometer - wide wires, jumbled together — onto paper made with fibers slightly wider than common paper.

But conventional techniques for printing circuits don't work well with silver nanowires; the nanowires often clog the printing nozzles.

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.

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

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

By programming cells to produce different types of curli fibers under certain conditions, the researchers were able to control the biofilms» properties and create gold nanowires, conducting biofilms, and films studded with quantum dots, or tiny crystals that exhibit quantum mechanical properties.

Much of Reguera's research with these bacteria focuses on engineering their conductive pili or nanowires.

«People are doing it with nanowires which are connected to these circuits.

«New type of nanowires, built with natural gas heating.»

«New type of nanowires, built with natural gas heating: Research team developed a new simple nanowire manufacturing technique.»

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.

They chose a rod shape because they thought that would integrate well with the nanowires and curvatures of nanotubes, wrapping around them to create a robust electrode.The unusually long and very flexible strands of the nanomaterials are crucial to the superior features of the electrodes.

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.

Scientists now report in ACS Applied Nano Materials a hybrid material consisting of imitation pearl combined with silver nanowires that works as a heater, with the added benefit of high flexibility, suggesting a potential role in wearable devices.

A team of researchers at the Brazilian Center for Physics Research is studying the motion of vortex domain walls — local regions of charge that collectively store information via their configuration — driven by magnetic fields in ferromagnetic nanowires, which are configured in a straight line with an asymmetric Y - like branch.

Researchers have come up with a crossbar design for computer chips, essentially building a layer of nanowires on top of another layer of nanowires at a perpendicular angle.

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.

Firefighters entering burning buildings, athletes competing in the broiling sun and workers in foundries may eventually be able to carry their own, lightweight cooling units with them, thanks to a nanowire array that cools, according to Penn State materials researchers.

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.

In the time - lapse video above, taken as the battery is charged by electrons pumping into the tin oxide, lithium ions can be seen streaming though the hollow nanowire to pair with the electrons.

Lithographically patterned Pd nanowires were simply overcoated with a Zn - based zeolite imidazole framework (ZIF - 8) layer composed of Zn ions and organic ligands.

«This surprising behavior is due to the interaction between the stress fields of stacking faults with the stress field of relaxed and reconstructed surfaces in thin nanowires,» Momeni said.

Thus, the ZIF - 8 filter on the Pd nanowires allows the predominant penetration of hydrogen molecules, leading to the acceleration of Pd - based H2 sensors with a 20-fold faster recovery and response speed compared to pristine Pd nanowires at room temperature.

Generating videos of the nanowires stretching out required new methods to simultaneously label multiple features, keep a camera focused on the wriggling bacteria, and combine the optical techniques with atomic force microscopy to gain higher resolution.

The IBM team fabricated single crystal nanostructures, such as nanowires, nanostructures containing constrictions, and cross junctions, as well as 3 - D stacked nanowires, made with so - called III - V materials.

It is covered with bendy nanowires tipped with lectin — a protein that binds to carbohydrates such as the sugars bacteria have on their surface.

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.

And by combining this technology with metallic nanowires, we effectively have replicated the portion of the mantis shrimp visual system that allows it to sense both color and polarization.»

«While silver nanowires have been used in touch screens before, no one has tried to combine them with graphene.

Another tweak could replace the silicon channel with «nanowires,» super-thin wires made of various semiconductor materials (including, it so happens, lowly silicon itself).