Decoupling two-step anodization in anodic aluminum oxide

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Decoupling two-step anodization in anodic aluminum oxide

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dc.contributor.author Lee, Kwang Hong
dc.contributor.author Wong, Chee Cheong
dc.date.accessioned 2011-09-08T04:17:01Z
dc.date.available 2011-09-08T04:17:01Z
dc.date.copyright 2009
dc.date.issued 2011-09-08
dc.identifier.citation Lee, K. H., & Wong, C. C. (2009). Decoupling two-step anodization in anodic aluminum oxide. Journal of applied physics, 106.
dc.identifier.issn 0021-8979
dc.identifier.uri http://hdl.handle.net/10220/7021
dc.description.abstract It is well known that ordered anodic aluminum oxide (AAO) can be fabricated by a two-step anodization process, but in the current approach, pore size and interpore spacing are coupled because the ordering mechanism is expected to be the same in both steps. Here, we demonstrate that, by using a different approach during the second anodization step, we can vary the pore size independently (either shrunk or enlarged), while preserving the ordering of AAO inherited from the first step. This approach is based on changing the electrolyte in the second step, while applying the same voltage as the first step. These results imply that ordering in AAO is strongly dependent on the coupled effect of electrolyte and voltage in the first step, whereas ordering in the second step is only affected by the voltage, quite independent of the electrolyte used. With this decoupling, AAO template processing should become more versatile.
dc.format.extent 3 p.
dc.language.iso en
dc.relation.ispartofseries Journal of applied physics
dc.subject DRNTU::Science::Chemistry::Physical chemistry::Electrochemistry.
dc.title Decoupling two-step anodization in anodic aluminum oxide
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1063/1.3257261
dc.description.version Accepted version
dc.identifier.rims 142643

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