indium gallium arsenide

materials science

Also known as: InGaA

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July 16, 2026

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Indium gallium arsenide (InGaAs) is a semiconductor material composed of indium, gallium, and arsenic. Gallium arsenide (GaAs) is a synthetic compound also used as a semiconducting material. Gallium itself is a metal that liquefies just above room temperature and is found as a byproduct of zinc, iron, bauxite, and germanite ores.12

InGaAs and similar compounds like gallium nitride (GaN) and indium gallium arsenide phosphide (InGaAsP) possess valuable semiconductor and optoelectronic properties. These materials are utilized in solid-state devices such as transistors and rectifiers, as well as in light-emitting diodes (LEDs) and semiconductor lasers.2

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nanotechnology
Bottom-up approach
Indium gallium arsenide (InGaAs) dots can be formed by growing thin layers of InGaAs on GaAs in such a manner that repulsive forces caused by compressive strain in the InGaAs layer results in the formation of isolated quantum dots. After the growth of multiple layer…
Read More
Indium gallium arsenide (InGaAs) dots can be formed by growing thin layers of InGaAs on GaAs in such a manner that repulsive forces caused by compressive strain in the InGaAs layer results in the formation of isolated quantum dots. After the growth of multiple layer…
Read More