Present Status and Preparation Technologys of Iron Oxide Nanoparticles

Nano ferric oxide is a kind of materials of many functions,and has wide applications in the fields such as foods,medicine,catalysis,and paints.This paper gives an overview about some latest research status in the methods for preparation of nanocrystalline iron oxide,and the relative merits of these technological routes are also presented.Futhermore,the prospect of iron oxide nanopowder is pointed out.