Formation of an array of isolated alumina nanotubes

被引：22

作者：

Mei, YF ^{[1
]}

Wu, XL

Shao, XF

Siu, GG

Bao, XM

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China

[3] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China

来源：

EUROPHYSICS LETTERS | 2003年 / 62卷 / 04期

关键词：

D O I：

10.1209/epl/i2003-00392-7

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An ordered array of isolated alumina nanotubes was obtained using an anodizing method of Si-based Al films, which was composed of three steps: anodization of a Si-based Al 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 Si 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.

引用

页码：595 / 599

页数：5

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