XRD spectra show that the bulk GaN particles are wurtzite structure, and the NC GaN has small domain size and the structure of solid solution phase.

• XRD结果显示经由气凝法合成前后氮化镓均为一六方晶系结构，利用块状氮化镓生成的奈米粉体粒径微细且是一种固溶相结构。