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Communication
Chem. Commun., 2007, 5001 - 5003, DOI: 10.1039/b712513e
Highly crystalline anisotropic superstructures via magnetic field induced nanoparticle assembly
Jong-Il Park, Young-wook Jun, Jin-sil Choi and Jinwoo Cheon
A magnetic field is successfully utilized to induce the fabrication of size controllable one-dimensional (1-D) supercrystals which are composed of a highly crystalline assembly of fcc-packed cobalt nanoparticles; the anisotropy associated supercrystal magnetism is enhanced with four times higher coercivity than that of randomly aggregated nanoparticles.
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