gamma-Fe2O3;
nanoparticle;
polyimide;
mono-layer;
magnetic particles;
D O I:
10.1016/j.jmmm.2003.12.217
中图分类号:
T [工业技术];
学科分类号:
08 ;
摘要:
A mono-layer of gamma-Fe2O3 nanoparticles embedded in a polyimide ( PI) matrix was fabricated by oxidizing Fe metal film between two PI precursor layers. There was a critical Fe thickness (similar to 7 nm) above which a continuous layer of gamma-Fe2O3 film was formed in the PI film. Below the critical Fe thickness, the oxide film broke up into. ne particles whose size was similar to 10 nm with narrow size distribution. This method offers a unique way of covering a large surface area with. ne magnetic oxide nanoparticles for a potential application in high-density data storage media. (C) 2003 Elsevier B.V. All rights reserved.