Magnetic antidot arrays from self-assembly template methods
Zhukov, A.A., Goncharov, A.V., De Groot,, P.A.J., Bartlett, P.N. and Ghanem, M.A. (2003) Magnetic antidot arrays from self-assembly template methods. Journal of Applied Physics, 93, (10), 7322-7324. (doi:10.1063/1.1540044).
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Using self assembly from lyotropic liquid crystalline phases and from colloidal suspensions of polystyrene spheres templates, we have prepared well-ordered, nanostructured magnetic materials. We present the results of electrochemical deposition of magnetic metals and alloys in the interstitial space between these templates. This technique has enabled us to create magnetic nanostructures with three-dimensional achitectures on length scales of 4 nm–1 µm. We find changes in coercive field, by more than 1 order of magnitude, dominated by the effects of the nanoscale shapes. Varying the parameters in the preparation allows us to produce materials with predetermined magnetic parameters. The templated electrodeposition technique offers the potential of a low-cost preparation method for submicron patterned magnetic media.
|Subjects:||Q Science > QB Astronomy
Q Science > QD Chemistry
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Electronics and Computer Science
University Structure - Pre August 2011 > School of Physics and Astronomy
University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||13 Aug 2008|
|Last Modified:||27 Mar 2014 18:40|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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