arseniidi

Arseniidi is a chemical compound that contains arsenic as the anion. These compounds are typically binary compounds of arsenic with a less electronegative element. The most common type of arseniide is a metal arseniide, where arsenic is bonded to a metal. Examples include gallium arsenide (GaAs), indium arsenide (InAs), and aluminum arsenide (AlAs). These metal arsenides are often semiconductors and find widespread use in electronic and optoelectronic devices.

Gallium arsenide, for instance, is a key material in high-speed integrated circuits, light-emitting diodes (LEDs), and laser diodes. Its superior electron mobility compared to silicon makes it suitable for high-frequency applications. Indium arsenide is also a semiconductor used in infrared detectors and thermoelectric devices. Aluminum arsenide is often used in conjunction with other arsenides to form alloys with tunable electronic and optical properties.

Arsenides can be formed through various synthesis methods, including direct reaction of the elements at high temperatures, chemical vapor deposition, and molecular beam epitaxy. The properties of arseniides are highly dependent on the specific elements involved and their stoichiometry. While many metal arsenides are valuable materials, arsenic itself is toxic, and precautions are necessary when handling arsenic-containing compounds.