News tagged with gallium arsenide

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Operating quantum memory at room temperature

Physics / General Physics

created Aug 25, 2008 | popularity 4.5 / 5 (42) | comments 0

Quantum dots, along with quantum wires, have been attracting notice over the past decade as possible building blocks of quantum information processing. Indium arsenide quantum dots (InAs) can be used for memory operations ...


Discovery brings new type of fast computers closer to reality

Discovery brings new type of fast computers closer to reality

Physics / Optics & Photonics

created Sep 27, 2009 | popularity 4.6 / 5 (34) | comments 1

Physicists at UC San Diego have successfully created speedy integrated circuits with particles called "excitons" that operate at commercially cold temperatures, bringing the possibility of a new type of extremely ...


Graphene -- the copy beats the original

Graphene -- the copy beats the original

Nanotechnology / Nanophysics

created Jul 17, 2009 | popularity 4.9 / 5 (25) | comments 9

(PhysOrg.com) -- The first artificial graphene has been created at the NEST laboratory of the Italian Institute for the Physics of Matter (INFM-CNR) in Pisa. It is sculpted on the surface of a gallium-arsenide ...


Sharp Develops Solar Cell with World’s Highest Conversion Efficiency of 35.8%

Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%

Technology / Energy

created Oct 22, 2009 | popularity 4.5 / 5 (26) | comments 12

Sharp Corporation has achieved the world's highest solar cell conversion efficiency (for non-concentrator solar cells) of 35.8% using a triple-junction compound solar cell.


GaAs self-assembled nanowires could make chips smaller and faster

GaAs self-assembled nanowires could make chips smaller and faster

Nanotechnology / Nanophysics

created Apr 20, 2009 | popularity 4.4 / 5 (5) | comments 0

(PhysOrg.com) -- Researchers at the University of Illinois have found a new way to make transistors smaller and faster. The technique uses self-assembled, self-aligned, and defect-free nanowire channels made ...


Graphene and gallium arsenide: Two perfect partners find each other

Graphene and gallium arsenide: Two perfect partners find each other

Physics / Condensed Matter

created Sep 16, 2009 | popularity 2 / 5 (2) | comments 1

It is the marriage of two top candidates for the electronics of the future, both excentric and extremely interesting: Graphene, one of the partners, is an extremely thin fellow and besides, very young.


Fujitsu Develops Millimeter-Wave Gallium-Nitride Transceiver Amplifier Chipset

Fujitsu Develops Millimeter-Wave Gallium-Nitride Transceiver Amplifier Chipset

Technology / Semiconductors

created Sep 30, 2009 | popularity 3 / 5 (1) | comments 1

Fujitsu announced today the development of the world's first gallium-nitride HEMT-based transceiver amplifier chipset for broadband wireless transmission equipment operating in the millimeter bandwidth, the ...