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http://dx.doi.org/10.3740/MRSK.2002.12.2.121

Preparation of Nano Wire by Anodic Oxidation I. Characteristics of Alumina Nano-Template by Anodic Oxidation  

Jo, Su-Haeng (School of Metallurgical and Materials Engineering, Kookmin University)
O, Han-Jun (Dept of Materials Engineering, Hanseo University)
Park, Chi-Seon (Department of Electronic Engineering, Hanseo University)
Jang, Jae-Myeong (School of Metallurgical and Materials Engineering, Kookmin University)
Ji, Chung-Su (School of Metallurgical and Materials Engineering, Kookmin University)
Publication Information
Korean Journal of Materials Research / v.12, no.2, 2002 , pp. 121-128 More about this Journal
Abstract
Anodic alumina layer can be used as templates for preparation of nano-structured materials, because porous oxide layer on aluminum shows a uniform pore size and a high pore density. In order to find out possibility for template material to prepare nano wire, the effects of the anodic applied potential, anodic time and the temperature of electrolyte on pore diameter of anodic alumina layer were studied using SEM and AFM. The pore diameter of anodic alumina layer increased with applied anodic potential and electrolytic temperature. Especially, the pore diameter of anodic oxide layers formed in chromic acid can be well replicated by widening process in $H_3$$PO_4$solution.
Keywords
Anodizing; Porous film; Anodic alumina template; Widening process;
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