人工晶体学报2009，Vol.38Issue(5)：1138-1141,1159,5.
固相合成YAG微晶粉体的XRD研究
XRD Research of YAG Crystallites Powders Prepared by Solid-phase Reaction Method
摘要
Abstract
Y_3Al_5O_(12)(YAG) crystallite powders were prepared by solid-phase reaction method through high energy ball milling with high purity Al_2O_3 and Y_2O_3 powders as raw materials. The influences of grinding time, calcinations temperature and high temperature keeping time on the phase compositions of the as-prepared YAG powders were particularly investigated by XRD analysis. Results show that with the increase of ball milling time, the average size of the powders decreases. The phases of the products transform from Y_4Al_2O_9 and YAlO_5 to Y_3Al_5O_(12) with the increase of firing temperature. Prolonging the high temperature keeping time is beneficial for the diffusion of Y~(3+) and Al~(3+) as well as the solid-state reaction between Al_2O_3 and Y_2O_3. Pure YAG crystallites can be obtained when molar ratio of Al_2O_3 to Y_2O_3 arrives to 5∶3, milling time reaches 15 h for 40 min high temperature calcinations at 1300 ℃.关键词
YAG/固相反应/XRDKey words
YAG/ solid-state reaction/ XRD分类
化学化工引用本文复制引用
吴建鹏,王新震,黄剑锋,曹丽云,贺海燕,胡宝云,杨强,李抗..固相合成YAG微晶粉体的XRD研究[J].人工晶体学报,2009,38(5):1138-1141,1159,5.基金项目
陕西省科技厅重点基金项目(09JK361) （09JK361）
