Sentences with phrase «nitride by»

Here, the scientists used the new HERMES instrument to measure the temperature of semiconducting hexagonal boron nitride by directly observing the atomic vibrations that correspond to heat in the material.

Not exact matches

«While we can't speak to the reasoning behind all the terms of the agreement with Soraa, which were made by the previous leadership, the facility was constructed to accommodate Soraa's gallium nitride lighting business and no funding was provided to Soraa,» he said in a statement.

Sharma and Zelisko's experimental collaborators at Rice University, led by engineering professor Pulickel Ajayan, fabricated the graphene nitride sheet devices.

Additionally, the team discovered that the order - of - magnitude difference in radiation tolerance between gallium arsenide - and gallium nitride - based HEMTs is much too large to be explained by differences in binding energy.

By 1992 Nakamura had developed a heat - based process to produce p - type gallium nitride in commercial quantities; all commercial p - type gallium nitride is now produced with his method.

Lonsdaleite forms only under the extreme pressure and heat accompanying meteorite impacts, while wurtzite boron nitride is a by - product of intense volcanic eruption.

And wurtzite boron nitride beats diamond's hardness by about 18 percent after being subjected to pressure, which alters its atomic bonds.

The two electrodes were then separated in the asymmetric supercapacitor by a solid - state electrolyte, which prevented the oxidization of the metal nitrides.

The new material developed by Schnick, Schmidt and their colleagues is based on the nitride Sr [LiAl3N4].

Scientists funded by the NSF are working to synthesize, characterize and functionalize boron nitride nanotubes and boron nitride nanoribbons to create new electronic and optical materials with tunable properties.

To take an up - close look at the gold nanoparticles in action, the researchers made a vacuum - tight microfluidic chamber by pressing two silicon - nitride semiconductor chips together with a 150 - nanometer spacer in between.

In one recent study, they obtained good results by incorporating ruthenium ions into a sheet - like nanostructure composed of carbon nitride.

«We constructed a capacitor by vacuum - depositing a metal layer onto the silicon nitride membrane,» explains co-author Usami.

Performance was further improved by combining the ruthenium - doped carbon nitride with graphene, a sheet - like form of carbon, to form a layered composite.

At the International Symposium on Low Power Electronics and Design in August, Gao, Peh, and lead author Pilsoon Choi, a postdoc in Peh's group, together with researchers at Nanyang Technological University in Singapore, presented a paper demonstrating that an 802.11 p radio built from gallium nitride and controlled by silicon electronics would consume half the power that existing radios do.

A team of experimental and computational scientists led by Carnegie's Tim Strobel and Venkata Bhadram have synthesized a long sought - after form of titanium nitride, Ti3N4, which has promising mechanical and optoelectronic properties.

Chemist Charles Lieber and co-workers at Harvard University created simple logic circuits incorporating up to six transistors by crisscrossing nanometer - wide wires of silicon and gallium - nitride, each junction of which forms a transistor.

Other materials could be used in addition to titanium nitride, and superconducting wires could be surrounded by superinsulators, creating a «supercircuit» that would generate no heat and keep a current infinitely long.

By combining the silicon nitride with platinum heaters, they were able to very finely tune the rings and make them work in tandem with the single input laser.

Illumination of a GBN heterostructure even with just an incandescent lamp can modify electron - transport in the graphene layer by inducing a positive - charge distribution in the boron nitride layer that becomes fixed when the illumination is turned off.

Researchers from The University of Manchester have taken a major step forward by describing the quantitative modelling of the electronic structure of a family of uranium nitride compounds — a process that could in the future help with nuclear waste recycling technologies.

Amano and Akasaki laid the groundwork by getting gallium - nitride, a notoriously finicky material, to emit a dim blue glow while working together at Nagoya University in the late 1980s.

Treated silicon nitride is hydrophilic and has readily allowed DNA translocations, as measured by many other researchers during the last decade.

Washington, DC — A team of experimental and computational scientists led by Carnegie's Tim Strobel and Venkata Bhadram have synthesized a long sought - after form of titanium nitride, Ti3N4, which has promising mechanical and optoelectronic properties.

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.

Resume: The thermal conductivity of a silica - gallium nitride nanocomposite is investigated by means of Scanning Thermal Microscopy and predicted using Molecular Dynamics Simulations.

Creating a superlattice by placing graphene on boron nitride may allow control of electron motion in graphene and make graphene electronics practical.

Irene Dolado, PhD student at nanoGUNE, and Saül Vélez, former postdoctoral researcher at nanoGUNE (now at ETH Zürich) mastered this challenge by electron beam lithography and etching of thin flakes of high - quality boron nitride provided by Kansas State University.

Led by Prof Coleman, in collaboration with the groups of Prof Georg Duesberg (AMBER) and Prof. Laurens Siebbeles (TU Delft, Netherlands), the team used standard printing techniques to combine graphene nanosheets as the electrodes with two other nanomaterials, tungsten diselenide and boron nitride as the channel and separator (two important parts of a transistor) to form an all - printed, all - nanosheet, working transistor.

The sensor read - out can be further optimized by coating a thin layer of silicon nitride onto the glass substrate.

We address this issue in a fully hexagonal boron nitride (hBN) encapsulated graphene spin valve device which demonstrated the possibility to inject and detect spins in graphene with differential spin injection and detection polarizations up to 100 % by applying a bias across the cobalt / 2L - hBN / graphene / hBN contacts at room temperature.

«In March 2010, Hyperion notified the US Nuclear Regulatory Commission that it planned to submit a design certification application in 2012... Hyperion has said it plans to build a prototype by 2015, possibly with uranium oxide fuel if the nitride is not then available.»