Magnetic Trapping of CocoreCoOshell Nanoparticles Produced by Gas Phase Reaction

The magnetic trapping of gas phase CocoreCoOshell nanoparticles of (almost equal)160 and 5–10 nm in diameter showed unique patterns of two-dimensional circular or oval distribution and one-dimensional aggregation, respectively, suggesting that granular nanowire can be formed when shell to core ratio is less than (almost equal)0.38 at 0.5 T.