氮化镓的电子和空穴寿命是多少？请给出参考文献

氮化镓的电子和空穴寿命取决于其材料结构和制备方法等因素。一般来说，氮化镓的电子寿命在纳秒到微秒的范围内，空穴寿命也在同样的时间尺度内。

以下是一些参考文献：

1. "Carrier dynamics in GaN: A comprehensive review"， Y. Li, et al., Applied Physics Reviews 6, 031301 (2019).

2. "Electron and Hole Lifetimes in GaN", R. A. Arif, et al., Journal of Applied Physics 84, 7405 (1998).

3. "Time-resolved photoluminescence studies of GaN epitaxial layers grown by molecular beam epitaxy", E. Monroy, et al., Journal of Applied Physics 88, 5610 (2000).