gallium arsenide

American  

noun

Chemistry.

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

---

gallium arsenide Scientific  

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

---

Etymology

Origin of gallium arsenide

First recorded in 1960–65

Example Sentences

At the core of the device is a semiconductor diode made from aluminum gallium arsenide.

From Science Daily

The final layer is an extremely thin sheet of indium gallium arsenide.

From Science Daily

Together, these layers allow vibrations traveling along the lithium niobate surface to interact directly with fast-moving electrons in the indium gallium arsenide.

From Science Daily

When electric current flows through the indium gallium arsenide, surface waves form in the lithium niobate layer.

From Science Daily

By adding the indium-gallium arsenide semiconductor, Eichenfield's group created an environment in which the acoustic waves traveling through the material influence the distribution of electrical charges in the indium gallium arsenide semiconductor film, causing the acoustic waves to mix in specific ways that can be controlled, opening up the system to various applications.

From Science Daily