| La2O3对Yb3+掺杂的氧化钇透明激光陶瓷性能的影响 |
| Effect of La2O3 on Properties of Yb3+ Doped Yttrium Oxide Transparent Laser Ceramics |
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| 摘要: 本文研究了La2O3的含量对(Yb0.05Y0.95)2O3透明激光陶瓷的结构性能和烧结性能的影响。结果表明：随着La2O3含量的增加，拉曼光谱特征峰发生红移，声子能量降低，半高宽增大，相对强度先增大后减小；同时密度、相对密度和透过率都增大，陶瓷的晶粒减小，而当La2O3含量继续增加时，晶粒基本保持不变。但适量的La2O3掺杂量对(Yb0.05Y0.95)2O3透明激光陶瓷的发射性能影响不大。最合适的La2O3添加量为10at%，最合适的烧结温度为1 700 ℃，最后样品的直线透过率可达到75%。 |
| 关键词: Yb3+掺杂 透明激光陶瓷 透过率 拉曼光谱 |
| 基金项目: |
| Abstract: The effect of La2O3 on the structure and sintering performance of the (Yb0.05Y0.95)2O3 transparent laser ceramics was investigated. The results show that red shift of the characteristic Raman peaks occurs and the full width at half-maximum increases with the increase of La2O3 content in yttrium oxide transparent laser ceramics. But the relative intensity increases at first, and then decreases. At the same time, the density, the relative density and the transmittance of the yttrium oxide transparent laser ceramics are increased, the phonon energy and the grain size are decreased. With addition of more La2O3, the gain size keeps unchanged. However, there is little effect on the AES performance of the (Yb0.05Y0.95)2O3 transparent laser ceramics after adding La2O3. The optimal content of La2O3 is 10at% and the optimum sintering temperature is 1 700 ℃, and the inline optical transmittance of sample can reach 75%. |
| Keywords: Yb3+ doped transparent laser ceramics transmittance Raman spectra |
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| 张浩佳,杨秋红,周洪旭,徐 军.La2O3对Yb3+掺杂的氧化钇透明激光陶瓷性能的影响[J].无机化学学报,2009,25(4):578-583. |
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