Volume 62, Number 4, May 2003
|Page(s)||595 - 599|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 May 2003|
Formation of an array of isolated alumina nanotubes
National Laboratory of Solid State Microstructures and
Department of Physics Nanjing University - Nanjing 210093, PRC
2 Department of Physics and Materials Science, City University of Hong Kong Kowloon, Hong Kong, PRC
Corresponding author: email@example.com
Accepted: 12 March 2003
An ordered array of isolated alumina nanotubes was obtained using an anodizing method of -based films, which was composed of three steps: anodization of a -based film under a constant dc voltage in sulfuric acid to form a porous alumina film, followed by further anodization under a pulse voltage for a short time to detach the alumina film from the substrate, and final immersion of the alumina film into dilute phosphoric acid for a few minutes to form an ordered nanotube array. This kind of ordered arrays is expected to have important applications as templates in fabricating ordered nanostructures.
PACS: 82.45.-h – Electrochemistry and electrophoresis / 81.20.-n – Methods of materials synthesis and materials processing / 81.07.De – Nanotubes
© EDP Sciences, 2003
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