用水热法研究了La1-xPrxP5O14(LaPrPP)(0＜x＜1,原子百分含量)晶体的生长,测定了La0.2Pr0.8PP晶体结构为单斜晶系,空间群为P21/c.晶体的密度为3.27g/cm3,分解温度为915℃.分析了室温下晶体在紫外、可见区的吸收、荧光和红外光谱,利用Judd-Ofeld理论计算了PrPP和La0.2Pr0.8PP晶体中Pr3+的实验振子强度,得到一些规律性结果,观察到Pr3+的3P0-3H6跃迁的红色发射很强.
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