Paper Title:
A Control of the Nanopore Regularity in Alumina Layer
  Abstract

This study placed a focus on fabrication factors and surface morphology characteristics to obtain anodic alumina layers with ordered nanopore arrays using two-step anodization process. The regularity of nanopore arrangement in anodic alumina was prepared in oxalic acid at 40 V. The regular array was shown to be more strongly dependent on the time of first anodization than that of second anodization. The widening process of oxide surface in H3PO4 solution clearly exhibits that the nanopore diameter of the alumina layer subjected to widening time increased linearly at a rate of 0.6 nm/min at 30°C, and 0.8 nm/min at 40°C. The pore arrays in anodic alumina were analyzed by SEM.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
3919-3922
DOI
10.4028/www.scientific.net/MSF.475-479.3919
Citation
H.J. Oh, J.H. Lee, Y. Jeong, S. J. Suh, C.-S. Chi, "A Control of the Nanopore Regularity in Alumina Layer", Materials Science Forum, Vols. 475-479, pp. 3919-3922, 2005
Online since
January 2005
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$32.00
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