Sentences with phrase «using gallium»

Crystalline silicon isn't the most efficient semiconducting material; researchers at the National Renewable Energy Laboratory in Golden, Colo., have achieved more than 16 percent sunlight - to - hydrogen conversion efficiency using gallium, indium and arsenide.

The company's new approach to LEDs revolves around using gallium nitride (GaN) for the substrate part of the light.

Crystalline silicon isn't the most efficient semiconducting material; researchers at the National Renewable Energy Laboratory in Golden, Colorado, have achieved more than 16 % sunlight - to - hydrogen conversion efficiency using gallium, indium and arsenide.

An efficiency of 32.5 % was achieved using a gallium indium phosphide (GaInP) top cell, which is a similar structure to the previous record efficiency of 29.8 % announced in January 2016.

5, 5599 (2014)-RSB- and monitored the electron oscillation with 1.2 - PHz frequency using gallium - nitride (GaN) semiconductor [H. Mashiko et al., Nature Phys.

In their article published this week in Applied Physics Letters, from AIP Publishing, authors Masataka Higashiwaki and Jessen outline a case for producing microelectronics using gallium oxide.

The company, formed earlier this year, plans to manufacture next - generation semiconductors using gallium nitride.

The blue LEDs found inside most of today's LCDs — and whose inventors were awarded the Nobel Prize in Physics this year — use gallium nitride because it is energy efficient and bright.

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.

Some advanced solar cells use gallium arsenide; gallium is quite a rare element and arsenic is highly toxic — the ultimate disposal of panels composed of such materials would need to be done responsibly.

Not exact matches

These include radioactive drugs used for some diagnostic tests like Gallium - 69, Iodine - 125, Iodine - 131, or Technetium - 99m, antimetabolites, and a few cancer chemotherapy agents.

NexGen plans to make semiconductor power devices from gallium nitride, the same material that Soraa uses to make LED lighting.

The semiconductor gallium arsenide (GaAs) is widely used, for instance in infrared remote controls, the high - frequency components of mobile phones and for converting electrical signals into light for fibre optical transmission, as well as in solar panels for deployment in spacecraft.

These semiconductors can be used as an optical absorber material in solar cells, but so far have only achieved a maximum efficiency of 12.6 per cent, while solar cells made of copper - indium - gallium - selenide (CIGS) already attain efficiencies of over 20 percent.

Using this method, it has been possible to incorporate up to 28 % tin and 3.5 % gallium into germanium.

Disappointed, the sales manager made it known he wanted Nakamura to try again with gallium arsenide crystals, also used in LEDs.

Using a resistor to convert electrical charge to alternating current, Krupenkin was able to harvest electrical energy from drops of either mercury or galinstan, a gallium - based alloy as they were moved along these channels and over the electrodes.

Diodes are composed of two conductive materials, such as silicon or germanium; the light - emitting variety uses materials such as gallium arsenide, which releases photons when electricity flows through it.

Using this process, the researchers grew stacks of flexible electronics up to three layers high, mixed and matched from silicon, the semiconductors gallium arsenide and gallium nitride, as well as carbon nanotubes, they reported in Science.

One group at Lund University in Sweden has been able to kick - start the spontaneous growth of «forests» of 1000 - nm - high «nanowire trees», using 50 - nm - wide clusters of gold as a catalyst, and a gallium phosphide substrate.

Enter thin - film solar cells — devices that use a fine layer of semiconducting material, such as silicon, copper indium gallium selenide or cadmium telluride, to harvest electricity from sunlight at a fraction of the cost.

Scientists have tried building the electrodes out of common semiconductors such as silicon or gallium arsenide — which absorb light and are also used in solar panels — but a major problem is that these materials develop an oxide layer (that is, rust) when exposed to water.

Built into the receiver are low - noise amplifiers on the basis of high - speed transistors using indium - gallium - arsenide - semiconductor layers with very high electron mobility.

The sample that the researchers use is made on a substrate of gallium arsenide (GaAs) and contains two important parts.

Newer materials use smaller, cheaper crystals, such as copper - indium - gallium - selenide, that can be shaped into flexible films.

Today's most efficient photovoltaic cells use a combination of semiconductors that are made from rare and expensive elements like gallium and indium.

However, electrons in gallium arsenide do not have enough energy to emit in the shorter blue wavelengths, so other materials must be used.

Now, Sinova and his colleagues have shown that gallium - arsenide (GaAs), a very common and widely used semiconductor material, can be an as efficient spin - charge converter as platinum, even at room temperature, which is important for practical applications.

An important application is in the compound gallium arsenide, used as a semiconductor, most notably in light - emitting diodes (LEDs).

The alloy used contains gallium, indium and tin.

Both experiments used detectors made of gallium, and when researchers calibrated them with radioactive sources, they counted too few electron neutrinos, suggesting they were quickly morphing into sterile ones.

They used an alloy of gallium, indium and tin, which is a good electrical conductor.

Gallium nitride nanowires, however, don't experience the same sort of crystal strain, so scientists hope to use them as tunable, broad - spectrum light sources.

Gallium is already used to treat high calcium levels in the blood caused by cancer, he notes, and that could speed its course through drug trials.

But it's possible to use indium arsenide, gallium arsenide, gallium nitride or other so - called III - V materials from group III and group V. Being from different groups on the periodic table means transistor materials would have different properties, and the big one here is better electron mobility.

The original experiment, based on a chlorine detector, has been joined by two runs of a Russian experiment based on gallium (SAGE I and SAGE II), by another gallium experiment (GALLEX), and by the Japanese Kamiokande experiment, which uses a tank of water to trap neutrinos.

The researchers used quantum dots created from an indium arsenide and gallium arsenide platform, producing pure single photons and entangled photons.

The lab used the light to probe the shift in an ultra-high quality, two - dimensional electron gas supplied by Purdue University physicist Michael Manfra and set in a gallium arsenide quantum well (to contain the particles) under the influence of a strong magnetic field and low temperature.

Semiconductors (such as silicon or gallium arsenide): used in solar panels to efficiently absorb light.

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

Researchers at the US Department of Energy's Lawrence Berkeley National Laboratory, however, have proposed building a new dark matter experiment using an ultrasensitive detector that incorporates crystals of gallium arsenide (GaAs), along with silicon and boron.

This new design iS the first time gallium arsenide would be used as a cryogenic scintillation detector.

People who use of gentamicin, gallium nitrate, tacrolimus, valacyclovir or other drugs that are potentially toxic for kidneys should also avoid creatine supplements [6].

One of the biggest rumors was that Apple was going to use Sharp's IGZO (Indium Gallium Zinc Oxide), which is better at high ppi and lower cost than LTPS.

The use of iridium gallium zinc oxide has made it possible for each pixel to have more illumination on its own, thereby making it redundant for the panels to have a strong backlight.

The next step may be to use the silicon to help capture light and funnel charge carriers to the gallium nitride towers.

The device is made from the same widely used materials as solar cells and other electronics, including silicon and gallium nitride (often found in LEDs).

The Joint Center for Artificial Photosynthesis, a federally funded lab based at the California Institute of Technology in Pasadena, said it has figured out how to use materials such as silicon and gallium arsenide in a process to split water into hydrogen and oxygen using sunlight.

In developing its thin - film solar panels, MiaSolé uses copper indium gallium selenide (CIGS), an alternative semiconductor to silicon, which is used in most conventional panels.

This material, a hybrid formed from interfacing the semiconductor gallium phosphide with a molecular hydrogen - producing cobaloxime catalyst, has the potential to address one of the major challenges in the use of artificial photosynthesis to make renewable solar fuels.