Self-Assembly of Cobalt Nanoparticle Rings
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- 12 June 2002
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 124 (27) , 7914-7915
- https://doi.org/10.1021/ja0263285
Abstract
Weakly ferromagnetic cobalt nanoparticles can assemble spontaneously into nanosized “bracelets” when dispersed in organic solvents containing resorcinarenes as surfactants. Bracelet self-assembly occurs in solution and is directed by magnetic dipolar interactions, whereas nanoparticle rings with larger diameters are produced by evaporation-driven flow on wetted surfaces.Keywords
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