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Lookup NU author(s): Professor Sudipta Roy
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Co-Ni-Cu/Cu multilayers were electrodeposited from a single electrolyte using a flow cell with substrate and counter electrode facing each other across a 3 mm wide channel. Substrates were 25 nm Au/3 nm Cr sputtered on glass, and the electrolyte was sulfamate based. The multilayers exhibited giant magnetoresistance (GMR) of up to ∼7%, but only for Cu layer thicknesses ≥3 nm. Potentiostatic deposition gave higher GMR values than galvanostatic deposition. Both varying the flow rate and varying the Cu content of the electrolyte influenced the GMR, which decreased with increasing Cu deposition current. While the flow cell gives much improved control over mass transport, cells relying on natural convection give higher GMR.
Author(s): Roy S; Nabiyouni G; Kasyutich OI; Schwarzacher W
Publication type: Article
Publication status: Published
Journal: Journal of the Electrochemical Society
Year: 2002
Volume: 149
Issue: 4
Pages: C218-C222
ISSN (print): 0013-4651
ISSN (electronic): 1945-7111
Publisher: Electrochemical Society, Inc.
URL: http://dx.doi.org/10.1149/1.1456923
DOI: 10.1149/1.1456923
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