By the methods of TEM, XRF, HREM ,the distribution of SnO2 over Al2O3 particle surface and the effect of operating parameters on forming films and producing particles were studied.

• 利用透射电子显微镜(TEM)、X荧光光谱仪(XRF)、高分辨电子显微镜(HREM)等现代测试手段考察了SnO_2在Al_2O_3表面的分散形态及操作参数对SnO_2成膜与成核的影响.