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High aspect ratio, self-ordered iron oxide nanopores formed by anoclization of Fe in ethylene glycol/NH4F electrolytes
Journal article   Peer reviewed

High aspect ratio, self-ordered iron oxide nanopores formed by anoclization of Fe in ethylene glycol/NH4F electrolytes

Sergiu P. Albu, Andrei Ghicov and Patrik Schmuki
Physica status solidi. PSS-RRL. Rapid research letters, Vol.3(2-3), pp.64-66
01/03/2009
DOI: https://doi.org/10.1002/pssr.200802285

Abstract

Materials Science Materials Science, Multidisciplinary Physical Sciences Physics Physics, Applied Physics, Condensed Matter Science & Technology Technology
In the present work we show that highly self-ordered iron oxide nanopores can be anodically gown to high aspect ratios, in optimized fluoride-containing ethylene glycol electrolytes. The as-formed layers are amorphous and contain a significant amount of fluorides. By annealing the layers can be crystallized and the fluorides can be removed. At elevated electrolyte temperatures the nanoporous system shows a transition to a nanotubular structure. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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