The results of transmission electron microscopy(TEM) and spreading resistance probe(SRP) experiments indicated that the prepared Bi 4Ti 3O 12 thin films had dense,smooth surface morphology and clear,sharp interface as well.

• 透射电子显微镜实验和扩展电阻实验表明，室温下制备的Bi4Ti3O12薄膜具有良好的表面和界面特性。