本文以Y2O3,Ga2O3,Er2O3,Yb2O3,柠檬酸为原料,利用溶胶-凝胶法制备出Er3+,Yb3+∶YGG激光陶瓷前驱粉体.对粉体进行XRD测试,结果表明在本实验条件下,粉体的最佳煅烧温度为800℃.红外光谱表明800℃时NO;,OH-等离子已被分解.扫描电镜观察发现,粉体颗粒为似球形,粒径约为35 nm,结合XRD数据计算,发现一个颗粒由2～3个晶粒组成,可见溶胶-凝胶法制备的粉体团聚程度相对较低.对粉体进行荧光光谱测试,结果表明由于Er3+的4I13/2-4I15/2的能级跃迁引起的荧光发射,其最强峰位于1530nm处.
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