钨酸铅晶体生长及其组份挥发

无机材料学报, 1997, 12(3): 286-290.

钨酸铅晶体生长及其组份挥发

廖晶莹 , 沈炳孚 , 邵培发 , 殷之文

中国科学院上海硅酸盐研究所

上海200050

Chinese Academy of Sciences Shanghai 200050 China

关键词：钨酸铅晶体 , Bridgman technology , composition evaporated , X-ray luminescence property

Growth and Composition Evaporated of Lead Tungstate Crystals

LIAO Jingying , SHEN Bingfu , SHAO Peifa , YIN Zhiwen

Keywords： lead tungstate crystal , 坩埚下降技术 , 组份挥发 , X线发光性能

本文首次报道了用坩埚下降技术生长钨酸铅（PWO）晶体；研究了提拉和坩埚下降两种技术生长PWO晶体的组份挥发，得到的结果是PbO的挥发速率高于WO₃，并对一组晶体不同部位的X射线发光性能作了研究．

This paper described PWO crystals grown by Bridgman technology for the first time. Thematerials evaporated from the PbWO₄ melt were studied during tile growth of PWO crystals bymeans of both Czochralski and Bridgman mcthod. The results indicated that the evaporation rateof PbO is higher than that of WO₃. Further the X-ray luminescence properties were investigatedof different positions of PWO crystals.

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