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Electrodeposition and composition modulation of Co-Ni(Cu)/Cu multilayers

Lookup NU author(s): Shahinoor Dulal, Dr Alasdair Charles


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Co-Ni(Cu)/Cu multilayers were electrodeposited from a citrate electrolyte in a flow channel cell using a potentiostatic dual-pulse plating method under controlled hydrodynamic condition and the composition of the multilayers was modulated by changing various deposition parameters. The flow channel cell was found to be an effective tool to plate nanostructured multilayers with good reproducibility. The variation of the electrolyte concentration was found to be a more suitable way for composition modulation in the ferromagnetic layers. Multilayers with less copper impurity in the ferromagnetic layer could be deposited from an electrolyte of near neutral pH. In anomalous co-deposition of nickel and cobalt, the cobalt deposition current was found to increase with the increase of nickel ion concentration in the electrolyte and reached an optimum value where co-deposition occurred at the highest rate. © 2007 Elsevier B.V. All rights reserved.

Publication metadata

Author(s): Dulal SMSI, Charles EA

Publication type: Article

Publication status: Published

Journal: Journal of Alloys and Compounds

Year: 2008

Volume: 455

Issue: 1-2

Pages: 274-279

ISSN (print): 0925-8388

ISSN (electronic): 1873-4669

Publisher: Journal of Alloys and Compounds


DOI: 10.1016/j.jallcom.2007.01.020


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