当生长ε相的硒化镓单晶时,组分挥发和固液界面震荡严重损坏晶体的结晶质量.利用改进垂直布里奇曼法生长出φ19 mm×65 mm硒化镓单晶.X射线粉末衍射仪(XRD)和傅立叶红外光谱仪(FT-IR)分别用于测量晶体的结晶度和光学性质.红外测试表明,硒化镓晶体透过波谱较宽(0.65～16 μm)和吸收系数较低＜0.3 cm-1).
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