Magnetic nanoparticles formed in a carbon arc

摘要

The carbon arc process has been used to prepare carbon-coated nanoparticles of ferromagnetic materials. Here we present a case study of a potential application of these particles as data storage media. Fine particle magnetism theory is used to understand the physical basis of room temperature hysteretic behavior. The characteristics of the carbon arc nanoparticle samples relevant to data storage applications are presented, along with future goals.