초록 |
We demonstrate a simple method for fabricating multilayer thin films containing ferrite nanoparticles, using layer-by-layer (LbL) self-assembly. These films have microwave absorbing properties for possible radar absorbing and stealth applications. To demonstrate incorporation of inorganic ferrite nanoparticles into an electrostatic-interaction-based LbL self-assembly, we fabricated two types of films: (1) a blended three-component LbL film and (2) a tetra layer LbL. We compared surface morphologies, thicknesses, and packing density of the two types of ferrite multilayer film. Ferrite nanoparticles were prepared from an aqueous precursor solution. The ferrite nanoparticles were characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, transmission electron microscopy, and scanning electron microscopy. Thickness growth and surface morphology were measured using a profilometer, atomic force microscope, and scanning electron microscope. |