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Template-based multiwalled TiO2/iron oxides nanotubes: Structure and magnetic properties
Uppsala Universitet. (Materialkemi)
Uppsala Universitet. (Materialkemi)
Uppsala Universitet.
Uppsala Universitet. (Materialkemi)
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2009 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 106, no 8, 084313/1-084313/7 p.Article in journal (Refereed) Published
Abstract [en]

Double- and triple-walled TiO2/Fe oxide nanotubes with well defined interfaces have been produced in nanoporous Al2O3 templates using at. layer deposition method. The structural properties of each individual layer are dependent on the deposition temps. The outer layers of TiO2 are polycryst. and consist of a phase mixt. of anatase and rutile, while the inner TiO2 layers grown at lower temp. are amorphous. The Fe oxide layers consist of pure hematite when deposited at 500°, while a phase mixt. of hematite and magnetite was obtained at 400°. The magnetization measurements reveal that the studied nanotubes exhibit weak ferromagnetic behavior and magnetic anisotropy with an easy axis perpendicular to the tube axis.

Place, publisher, year, edition, pages
2009. Vol. 106, no 8, 084313/1-084313/7 p.
Keyword [en]
template based multiwalled titanium oxide iron nanotube structure magnetization
National Category
Natural Sciences
URN: urn:nbn:se:kth:diva-78460DOI: 10.1063/1.3245395ISI: 000271358100088OAI: diva2:495730
QC 20120210Available from: 2012-02-09 Created: 2012-02-08 Last updated: 2012-02-10Bibliographically approved

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Soroka, Inna
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