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Growth of Uniform Nickel Wire Arrays

Published online by Cambridge University Press:  01 February 2011

Kun Yang  and
W. J. Yeh
Kun Yang
Affiliation:
Department of Physics, University of Idaho, Moscow, ID, 83844, U.S.A.
W. J. Yeh
Affiliation:
Department of Physics, University of Idaho, Moscow, ID, 83844, U.S.A.
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Abstract

Nickel nanowire arrays with high aspect ratio and large packing densities have been grown in thin nanochannel glass templates by an electrochemical deposition method. The templates were polished and etched for enough time to obtain parallel, uniform, hollow channels. One of surfaces of templates was then deposited with copper to provide an electrode. The pH value of NiSO4 aqueous solution was 1 to 2 and the deposition potential was chosen to be –1.2 V versus the saturated Calomel electrode. Obtained nickel wires were circular, each approximately 80 – 160 nm in diameter and 150 μm long, depending on the diameter of nanochannel. Finally, scanning electron microscopy has been used to characterize the nanostructures. Magnetic properties of the nickel wire arrays have been also investigated by using a superconducting quantum interference device magnetometer (SQUID).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 877: Symposium S – Magnetic Nanoparticles and Nanowires , 2005 , S6.14
Copyright
Copyright © Materials Research Society 2005

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