Coaxial metal and magnetic alloy nanotubes in polycarbonate templates by electroless deposition

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Rohan, James F.
Casey, Declan P.
Ahern, Bernadette M.
Rhen, Fernando M. F.
Roy, Saibal
Fleming, David
Lawrence, Simon E.
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We present a novel technique for the preparation of coaxial metal and magnetic alloy nanotubes, which is demonstrated for the coaxial nanotubes of Ni/Co and Ni/CoNiFe alloys deposited in activated polycarbonate templates using electroless plating. For each metal or alloy the tube wall thickness was controlled to be less than 100 nm. The process involved two consecutive deposition steps from hypophosphite and/or borane reducing agent based electroless plating solutions. We further characterise the magnetic properties of the ternary magnetic alloy films and coaxial nanotubes. The coaxial tubes show homogenous wall thickness and composition, which is delineated from the magnetic measurements.
Coaxial , Electroless , Nanotube , Template , Alloy , Electrodeposition , Nanowires , Oxidation , Fabrication , Membranes , Arrays , Coercivity
ROHAN, J. F., CASEY, D. P., AHERN, B. M., RHEN, F. M. F., ROY, S., FLEMING, D. & LAWRENCE, S. E. 2008. Coaxial metal and magnetic alloy nanotubes in polycarbonate templates by electroless deposition. Electrochemistry Communications, 10, 1419-1422. doi: 10.1016/j.elecom.2008.07.019
Copyright © 2008 Elsevier Inc. All rights reserved. NOTICE: this is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications [Volume 10, Issue 9, September 2008, Pages 1419–1422]