Sentences with phrase «nitride for»

Examples include gallium nitride for light - emitting diodes and silicon for solar cells.

«New class of materials for organic electronics: Joint project details charge transport in polymeric carbon nitride for first time.»

The big players were mostly ignoring gallium nitride for a host of what seemed to be good reasons.

Not exact matches

In 2011, for instance, scientists devised an «invisibility carpet,» which conceals objects under etched layers of silicon oxide and silicon nitride.

«This model enabled the state to quickly adjust to changes in a very dynamic industry and make the facility available to NexGen for its production of gallium nitride semiconductor devices, modules and systems.»

It has a 3.25 - inch blade with a black titanium nitride coating for amazing corrosion resistance.

Because of their relative radiation hardness, gallium arsenide - and gallium nitride - based HEMTs are desirable for space application.

To get funds, Ill have to keep working on nitride devices, because I am famous for nitride devices.»

«At that time, it was crazy for people to try gallium nitride,» he acknowledges.

The density of defects in the best gallium nitride crystals, at 1.010 dislocations per square centimeter, was ten million times higher than what was believed necessary for commercial success, especially in a laser.

In 1999, Nichias products accounted for 40 percent of the $ 300 - million - a-year market for nitride LEDs, according to Strategies Unlimited of Mountain View, Calif..

Although producing the conditions required to grow the substances in bulk remains a challenge, Janik and others are working on synthesizing wurtzite boron nitride and lonsdaleite to pave the way for commercial use.

Nanowires for LEDs are made up of an inner core of gallium nitride (GaN) and a layer of indium - gallium - nitride (InGaN) on the outside, both of which are semiconducting materials.

U.S. Naval Research Laboratory (NRL) scientists, in collaboration with researchers from the University of Manchester, U.K.; Imperial College, London; University of California San Diego; and the National Institute of Material Science (NIMS), Japan, have demonstrated that confined surface phonon polaritons within hexagonal boron nitride (hBN) exhibit unique metamaterial properties that enable novel nanoscale optical devices for use in optical communications, super-resolution imaging, and improved infrared cameras and detectors.

Devices made of silicon carbide and gallium nitride — conventional semiconductors — hold promise for extended high - temperature operation but are still not cost - effective for high volume applications.

PEI coated with hexagonal boron nitride (hBN) nanosheets significantly outperforms competitive polymers at operating temperatures needed for electric vehicles and aerospace power applications.

First - principles calculations determined that the electron barrier, established at the interface of the PEI / hexagonal boron - nitride structure and the metal electrodes applied to the structure to deliver, current is significantly higher than typical metal electrode - dielectric polymer contacts, making it more difficult for charges from the electrode to be injected into the film.

And if the combination of graphene / boron nitride is applied on copper for contact with the external world?

While III - nitride VCSELs are still considered to be in their infancy, they «show great potential for many applications that require highly directional light with a high - output power density — including heads - up displays, automotive headlights, visible light data transmission and communication, a.k.a. «LiFi,» and pico projectors,» he said.

On a separate silicon chip, they grow a thin, flexible film of silicon nitride, upon which they deposit the superconductor niobium nitride in a pattern useful for photon detection.

A simple new electron - beam multilayer deposition technique for creating intracavity contacts — an important component of gallium nitride - based (III - nitride) vertical - cavity surface - emitting lasers (VCSELs)-- not only yields intriguing optoelectronic properties but also paves the way for others entering this realm of research.

Constructed of layers of atomically thin materials, including transition metal dichalcogenides (TMDs), graphene, and boron nitride, the ultra-thin LEDs showing all - electrical single photon generation could be excellent on - chip quantum light sources for a wide range of photonics applications for quantum communications and networks.

«Hydrogen from sunlight — but as a dark reaction: Generation, storage, and time - delayed release of electrons in graphitic carbon nitride material for artificial photosynthesis.»

Scientists are beginning to find practical uses for materials such as hexagonal boron nitride that manipulate light in usual ways.

So there have already been numerous attempts to employ polymeric carbon nitrides as cost - effective photocatalysts for solar - powered water splitting.

«We use a proprietary platform called ultra-silicon-rich nitride, with a material composition of seven parts silicon, three parts nitrogen, with the large nonlinearity and photon efficiency needed for high gain amplification, through the efficient transfer of photons from a pump to the signal.

«The results demonstrate the ultra-silicon-rich nitride platform to be extremely promising for highly efficient nonlinear optics applications, particularly in the field of CMOS photonics leveraging existing electronics infrastructure,» says Dr. Doris Ng, Scientist III at the A * STAR Data Storage Institute.

For a number of reasons, gallium nitride is a good material in which to make this happen, but it also has drawbacks — due to the way it's manufactured, you end up with a material that's very irregular at the atomic level.

The nanotechnology team at Deakin's Institute for Frontier Materials has been working on boron nitride nanomaterials for two decades and has been internationally recognized for its work in the development of boron nitride nanotubes and nanosheets.

In hopes of limiting the disastrous environmental effects of massive oil spills, materials scientists from Drexel University and Deakin University, in Australia, have teamed up to manufacture and test a new material, called a boron nitride nanosheet, that can absorb up to 33 times its weight in oils and organic solvents — a trait that could make it an important technology for quickly mitigating these costly accidents.

Many members of the team had previously reported uranium nitride and oxo complexes where the molecules are essentially the same except for swapping a single nitrogen atom for an oxygen.

The researchers compared the effect of two different substrates on the growth of the phosphorene nanoflake — a copper substrate, commonly used for growing graphene, which bonds with the phosphorene through strong chemical processes, and a hexagonal hydrogen boron nitride (h - BN) substrate that couples with the phosphorene via weak van der Waals bonds.

Blue gallium nitride LEDs from LEDtronics cost between $ 2 and $ 2.50, while Cree Research sells silicon carbide LEDs for 49 cents each.

Electrochemical tests of the separate ingredients showed that molybdenum carbide is effective for converting H2O to H2, but not stable in acidic solution, while molybdenum nitride is corrosion - resistant but not efficient for hydrogen production.

In this experiment, Drndić and her colleagues worked with a different material — silicon nitride — rather than attempting to craft single - atom - thick graphene membranes for nanopores.

This new approach — of encapsulating graphene constrictions between layers of boron nitride — allowed for exceptionally clean samples, and thus highly accurate measurements.

Monolayer - thick sheets of hexagonal boron nitride, aka «white graphene,» could be the perfect ultra-thin partner for graphene

Kim and colleagues first isolated a sample of pure graphene by protecting it between layers of hexagonal boron nitride, an insulating, transparent crystal also known as «white graphene» for its similar properties and atomic structure.

Recently, monolayer gallium nitride (ML GaN) with honeycomb structure was successfully fabricated in experiments, generating enormous research interest for its promising applications in nano - and opto - electronics.

For this experiment, Wang constructed bilayer graphene encapsulated in a hexagonal lattice of boron nitride.

«Various hexagonal boron nitride single crystal morphology — triangle to hexagon — formulations have been mentioned in theoretical studies, but for the first time we have demonstrated and explained the process,» says postdoctoral associate Yijing Stehle, of ORNL» [We created] a more gentle, controllable way to release the reactant into the furnace and [figured] out how to take advantage of inner furnace conditions.

Monolayer - thick sheets of hexagonal boron nitride, aka «white graphene,» could be the perfect ultra-thin partner for graphene (Credit: < a href ="http://www.shutterstock.com/pic.mhtml?id=115490785&src=id" rel="nofollow"> Shutterstock )

It is based on boron nitride, a graphene - like 2D material, and was selected because of its capability to manipulate infrared light on extremely small length scales, which could be applied for the development of miniaturized chemical sensors or for heat management in nanoscale optoelectronic devices.

An array of 96 iron atoms on a copper nitride surface, assembled using an STM and used to write a byte, demonstrates how small magnetic storage could shrink and may lead to novel nanomaterials for quantum computers.

Two - dimensional materials (2DMs) such as graphene, hexagonal boron nitride, silicene and others, are currently amongst the most intensively studied classes of materials that hold great promise for future applications in many technological areas.

Synthesis under high pressure provides a reliable means to control growth of certain other materials (e.g., diamond and cubic boron nitride), so the Strobel team decided to pursue that approach for clathrates.

BN (boron nitride) was chosen as the base for new hybrid nanoparticles because it is chemically inert and biocompatible and has low relative density.

Particular attention was also paid to the bearings for the forged and nitride - hardened crankshaft, which weighs in at 24.6 kilograms.

He was a research scientist for 10 years at Bell Labs, working on nontrivial topics such as Molecular Beam Epitaxy, high - temperature superconductors, gallium nitride and — here's where we come in — electronic publishing.

Parish's team along with engineers from CSIRO have used the gallium nitride to build a single sensor chip that can detect many different ions without the need for a reference electrode that would add to its size and weight.