gallium arsenide (GaAs) photodiode

例句：

1. 1. The GaAs photodiode is used in solar cells to convert sunlight into electricity.
   镓砷化物光电二极管用于太阳能电池，将阳光转换为电力。
2. 2. The GaAs chip is small and powerful, making it ideal for mobile devices.
   镓砷化物芯片小而强大，使其成为移动设备的理想选择。
3. 3. The GaAs material has high electron mobility, which makes it suitable for use in electronic devices.
   镓砷材料具有高电子迁移率，使其适合用于电子设备。