X-ray diffraction and transmission electron microscope experiments indicate the powder sample is amorphous and also show the average particle size and crystallization products.
射线衍射和透射电子显微镜实验不但证实它的非晶性，而且给出它的平均颗粒度大小和晶化产物。
2
The average particle size and the shape of sample were characterized by XRD, TEM and SEM.
采用XRD、TEM、SEM等测试手段对样品的物相粒径形貌进行了表征。
3
Two preparation methods are compared and confirm that the spray pyrolysis may have an average spread of the particle size distribution, which will lead to the effective absorption of the sample.