Colloidal Barium ferrite and colloidal PSS were prepared and nano multilayers were formed on the surface of silicon chip by electrostatic self-assembly.

• 配制了钡铁氧体溶胶和PSS(聚苯乙烯磺酸钠)溶胶,并利用静电自组装的方法在硅片上组装了纳米多层膜。