gallium arsenide

American  

noun

Chemistry.

1. a crystalline and highly toxic semiconductor, GaAs, used in light-emitting diodes, lasers, and electronic devices.

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gallium arsenide Scientific  

1. A dark-gray crystalline compound used in transistors, solar cells, and semiconductor lasers. Chemical formula: GaAs.

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Etymology

Origin of gallium arsenide

First recorded in 1960–65

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Example Sentences

See Examples For:

gallium arsenide

In the TU Dortmund experiments, the time crystals form inside a semiconductor made from gallium arsenide with small amounts of indium and silicon.

From Science Daily ● Sep. 24, 2026

The Dortmund physicists led by Dr. Alex Greilich have now designed a special crystal made of indium gallium arsenide, in which the nuclear spins act as a reservoir for the time crystal.

From Science Daily ● Feb. 1, 2024

Microsoft researchers began to look for these fractional charges in samples of gallium arsenide, a compound often used in solar cells.

From Science Magazine ● Dec. 20, 2023

Microgravity Laboratory onboard the space shuttle Columbia, and there astronauts produced two crystals of a material called gallium arsenide.

From Scientific American ● Oct. 23, 2023

A limited number of companies around the world produce gallium arsenide at the purity needed for use in electronics, according to the CRMA.

From BBC ● Jul. 31, 2023

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