Abstract

The ZnO nanorods were used as a template to fabricate nickel nanoclusters byelectrodeposition. The ZnO nanorod arrays act as a nano-semiconductor electrodefor depositing metallic and magnetic nickel nanoclusters. The growth sites ofNi nanoclusters could be controlled by adjusting the applied potential. Under−1.15 V the Ni nanoclusters could be grown on the tips of ZnO nanorods. On increasing thepotential to be more negative the ZnO nanorods were covered by Ni nanoclusters. Themagnetic properties of the electrodeposited Ni nanoclusters also evolved with the appliedpotentials.

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