卢金山,董伟,李喜宝,冯志军

• 1:南昌航空大学材料科学与工程学院

摘要(Abstract)：

采用熔融-晶化法在空气气氛下制备了CeO2、Sm2O3共掺杂的Li2O-Al2O3-SiO2系微晶玻璃,利用差热分析仪、紫外-可见分光光度计、X射线衍射仪、扫描电镜以及荧光分光光度计等,研究了共掺杂对微晶玻璃晶化行为及其发光性能的影响。结果表明:随着CeO2掺杂量增大,微晶玻璃结晶度明显提高,玻璃的晶化温度先下降后升高,而470 nm光激发下微晶玻璃发光强度先增大后降低,晶化温度达到最低时微晶玻璃的发光强度最高。稀土离子的聚集作用是影响微晶玻璃晶化行为和发光性能的关键因素。

关键词(KeyWords)： 稀土;共掺杂;微晶玻璃;晶化行为;发光性能

Abstract:

Keywords:

基金项目(Foundation): 航空科学基金资助项目(2007ZF56011)

作者(Author): 卢金山,董伟,李喜宝,冯志军

DOI: 10.13289/j.issn.1009-6264.2013.06.001

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