ionic layer造句

sem results imply that the surface of thin films deposited by chemical bath method is correlate to the reaction conditions . surface of sns thin films deposited by chemical bath method are coarse than thin films deposited by chemical bath with ultrasonication method and successive ionic layer adsorption and reaction method
sem结果显示用常规化学浴方法所制备的薄膜样品的表面形貌与反应条件有关，而用超声波辅助化学浴和连续离子反应法制备的薄膜样品的表面较之常规化学浴方法所得到的薄膜样品表面晶粒细小均匀，致密平整。
It's difficult to find ionic layer in a sentence. 用ionic layer造句挺难的