Gallium Arsenide (GaAs) is a compound semiconductor made from gallium and arsenic. It is widely used in electronic devices due to its superior electron mobility and efficiency compared to silicon. This makes it ideal for high-frequency applications such as radio frequency (RF) and microwave devices. In addition to electronics, Gallium Arsenide is also utilized in optoelectronic devices like light-emitting diodes (LEDs) and solar cells. Its ability to convert light into electricity efficiently makes it a popular choice for photovoltaic applications, contributing to advancements in renewable energy technologies.