Heat treatment of aluminum in preparing porous anodic alumina templates

The influence of heat treatment on the final arrangement of nanopores in fabrication of ordered porous anodic alumina templates is investigated. The well-established, two-step, anodising procedure is applied to grow ordered porous anodic aluminum oxide (AAO). The surface condition of the specimens e...

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Bibliographic Details
Published inMicro & nano letters Vol. 7; no. 2; p. 125
Main Authors Rahimi, M.H., Tabaian, S.H., Marashi, S.P.H., Saramad, S., Arab, M., Hemasian, A.
Format Journal Article
LanguageEnglish
Published Stevenage John Wiley & Sons, Inc 01.02.2012
Subjects
Aluminum
Aluminum oxide
Annealing
Anodic
Fast Fourier transformations
Heat treatment
Microstructure
Porosity
Stress relieving
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Summary:The influence of heat treatment on the final arrangement of nanopores in fabrication of ordered porous anodic alumina templates is investigated. The well-established, two-step, anodising procedure is applied to grow ordered porous anodic aluminum oxide (AAO). The surface condition of the specimens exposed to different heat-treatment processes, including stress relieving, full annealing and over annealing processes, were compared with the untreated specimen. They were subsequently etched and the microstructure was examined by optical microscopy. The samples, were then treated by the two-step anodising procedure and scanning electron microscopy, was utilised to study the obtained AAOs. Consequently, linear-angular, fast Fourier transformation technique was used to assess the nanopores ordering and ordered domains.
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ISSN:1750-0443
1750-0443
DOI:10.1049/mnl.2011.0599