With its 95% share of the world's gallium arsenide semiconductor market, its chips steer Tomahawk missiles.
Many optical components are typically constructed using materials such as gallium arsenide and indium phosphide.
Gallium arsenide, a more expensive but superior semiconductor, will replace silicon in at least some cases.
C. concern that turned TRW's gallium arsenide semiconductors, designed for spy satellites, into chips for cell phones.
Gallium Arsenide and Gallium Nitride are preferred for LEDs, certain photovoltaics, and some very high frequency radio applications.
He noted that Michigan uses gallium arsenide multi-junction photovoltaic cells on their car.
Using more efficient semiconductors, such as gallium arsenide, which is currently too expensive for anyone except NASA, is another.
Sol Voltaics uses data from its indium phosphide nanowire research to project that its gallium arsenide nanowires will deliver a 25% efficiency gain.
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So the next step for Sol Voltaics will be to produce solar cells topped with gallium arsenide nanowires to further demonstrate its technology.
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Using a micron-thick layer of gallium arsenide, it can get flexible solar cells that are 29 percent efficient, nearly double commodity silicon cells.
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With a license from TRWfor the gallium arsenide formula, RFMicro Devices is using it in chips that amplify cellular phone signals and extend talk times at least 30%.
With its patented InGaP-Plus (Indium Gallium Phosphide) technology, Anadigics may have leapfrogged over its AlGaAs (Aluminum Gallium Arsenide) competitors by enabling some 20% to 25% longer cell phone battery life.
With its 95% share of the world market for gallium arsenide semiconductors, Japan makes the brains for high-speed fiber-optic telecommunication switches as well as the chips that steer Tomahawk missiles.
The company was formed by three former Analog Devices engineers to replace silicon in semiconductors with a low-power gallium arsenide concoction that TRW once used to pass reams of top-secret data through satellites.
The trick is to tune the crystal, by modifying the details of pattern, so that as much of the emitted energy as possible is at the frequency most efficiently captured by indium gallium arsenide.
Since GaAs (Gallium Arsenide) fabs are similar to analog fabs in that they do not become outdated quickly, management believes it has sufficient capacity to continue growing its business for two to three more years.
The device that Dr Kirczenow and Dr Rego had in mind is called a semiconductor heterostructure a semiconductor sandwich made of a thin layer of aluminium gallium arsenide held between two thicker layers of gallium arsenide.
Scientists have known for some time that nanowires can trap more light, and using certain materials, such as gallium arsenide, can make use of a certain section of the light spectrum that significantly increases energy production.
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The other, which faces a specialised type of solar cell made of a material called indium gallium arsenide, is sculpted into a structure called a photonic crystal that causes it to emit infra-red radiation selectively at the frequency best absorbed by the cell.
The gallium-arsenide cells use low-cost lenses to concentrate sunlight on tiny cells.
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