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利用温度梯度法生长出了透明的γ-LiAlO2单晶,通过扫描电镜和X射线薄膜衍射分析了不同退火气氛对所切得的(001)晶片表面结构的影响.结果表明:1100℃/70h空气和真空中的退火处理使γ-LiAlO2晶片表层变成LiAl5O8多晶,而同温度富锂气氛退火可以有效地抑制锂的挥发,保持了晶格完整性并且提高了晶体质量.

参考文献

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