Gallium antimonide is a compound made from the elements gallium and antimony. It is a semiconductor material, meaning it can conduct electricity under certain conditions. This property makes it useful in various electronic devices, particularly in infrared detectors and lasers. The chemical formula for gallium antimonide is GaSb. It has a unique crystal structure that allows it to efficiently absorb and emit infrared light. This makes it valuable in applications such as night vision technology and thermal imaging, where detecting heat signatures is essential.