Rogers Corporation
NANOCRYSTALLINE COBALT DOPED NICKEL FERRITE PARTICLES, METHOD OF MANUFACTURE, AND USES THEREOF

Abstract:

Described herein is a nanocrystalline ferrite having the formula Ni.sub.1-x-y M.sub.yCo.sub.xFe.sub.2+zO.sub.4, wherein M is at least one of Zn, Mg, Cu, or Mn, x is 0.01 to 0.8, y is 0.01 to 0.8, and z is -0.5 to 0.5, and wherein the nanocrystalline ferrite has an average grain size of 5 to 100 nm. A method of forming the nanocrystalline ferrite can comprise high energy ball milling.