A dark-gray crystalline compound containing gallium and arsenic, used in the manufacture of microelectronic components, such as solar cells and semiconductors.
- Smaller modulators have been made using compound semiconductors such as gallium arsenide, but silicon is preferable for its ability to be integrated with current microelectronics.
- At one point, the station was touted as a potential manufacturing site for gallium arsenide for solar cells.
- Unlike the III-V compounds, such as gallium arsenide, generally used to make semiconductor lasers, silicon has an indirect bandgap.
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