Characterization of electrodeposited Ni and Ni80Fe20 nanowires
authors Leitao, DC; Sousa, CT; Ventura, J; Amaral, JS; Carpinteiro, F; Pirota, KR; Vazquez, M; Sousa, JB; Araujo, JP
nationality International
journal JOURNAL OF NON-CRYSTALLINE SOLIDS
author keywords Electrochemical properties; Conductivity
keywords ANODIC ALUMINA; MAGNETIC-PROPERTIES; ARRAYS
abstract In this work we use nanoporous alumina substrates as templates for the growth of Ni and Ni80Fe20 nanowires. Our membranes were obtained by a two-step anodization process of high-purity aluminum foils: first anodizations were performed at 40 V for 15 h in 0.3 M oxalic acid, at 2-6 degrees C; the second anodization was carried out using the same conditions for 30 min, resulting in pore lengths of similar to 1.3 mu m. After the second anodization, the pore bottom barrier-layer was thinned, to allow the current to flow through electron tunneling. A pulsed electrodeposition method was then used to grow Ni and Ni80Fe20 nanowires. Transport characterization and isothermal magnetization measurements performed on the produced arrays are presented. (c) 2008 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0022-3093
year published 2008
volume 354
issue 47-51
beginning page 5241
ending page 5243
digital object identifier (doi) 10.1016/j.jnoncrysol.2008.05.088
web of science category Materials Science, Ceramics; Materials Science, Multidisciplinary
subject category Materials Science
unique article identifier WOS:000261656600053
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journal impact factor 2.488
5 year journal impact factor 2.202
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