Multiple choice

Which of the following is a III/V semiconductor?

  1. Gadolinium(III) oxide

  2. Gallium antimonide

  3. Gallium arsenide

  4. Gallium trichloride
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Gallium arsenide (GaAs) is a compound of the elements gallium and arsenic. It is a III/V semiconductor, and is used in the manufacture of devices such as microwave frequency integrated circuits, monolithic microwave integrated circuits, infrared light-emitting diodes, laser diodes, solar cells and optical windows.

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