International Conference on Computer and Electrical Engineering 4th (ICCEE 2011)
67 Effects of Annealing on Magnetization and Nanostructures of Cobalt-Gold
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We study the relationship between magnetic properties and nanostructures of CoxAu11Âx prepared via pulsed-current electrodeposition. The saturation magnetization and particle size were examined against deposition current density after they were annealed at 573 K for 1 hour. We found that the grain sizes of the CoAu nanostructures are highly influenced by the current density. Furthermore, low temperature magnetization measurements suggest that a decrease in saturation magnetization of the annealed nanostructures correlates with the Co particle size and its distribution in the Au matrix.