陈化过程中湿度、温度及时间对Nd:YAG纳米粉体的影响

Effects of Humidity, Temperature and Time on the Nd:YAG Nano-powders during the Aging Process

采用微波辅助均相沉淀法制备了Nd:YAG(Nd:Y3Al5O12)纳米粉体.通过XRD和SEM对此方法制备的Nd:YAG纳米粉体进行了分析表征,并分析了在陈化过程中,湿度、温度和陈化时间对制备Nd:YAG纳米粉体的影响.实验结果表明:陈化环境的湿度、温度和陈化时间对制备Nd:YAG纳米粉体的组分和形貌有显著的影响.陈化环境中湿度和温度对Nd:YAG纳米粉体的影响具有一定的依存关系,必须适当地控制;陈化时间对Nd:YAG纳米粉体的粒径大小影响显著,随着陈化时间的延长,获得的Nd:YAG纳米粉体的颗粒尺寸先减小后增大.

The Nd：YAG（Nd：Y3Al5O12） nano-powders were successfully prepared by the microwave-assisted homogeneous precipitation method.The Nd：YAG nano-powders were analyzed by means of XRD and SEM.The effects of humidity,temperature and aging time during the aging process on the preparation of the Nd：YAG nano-powders were discussed.The results show that the composition and morphology of the Nd：YAG precursors and Nd：YAG nano-powders are remarkably affected by the above factors.Effects of environmental humidity and temperature on the preparation of the Nd：YAG nano-powders are dependent on each other,which must be properly controlled.And the aging time can significantly affect sizes of the Nd：YAG nano-powders.Particle size of the Nd：YAG nano-powder decreases and then increases with the aging time increasing.