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Type: Artigo de periódico
Title: Production of nanostructured magnetic materials using holographic lithography
Author: Rosa, WO
de Araujo, AEP
Gobbi, AL
Knobel, M
Cescato, L
Abstract: The magnetic properties of Co, Ni and NiFe sub-micrometric structures produced by holographic lithography and sputtering techniques are investigated. The structures were obtained using a mask previously recorded by holography in a photo-resist film coated on a quartz substrates. After this procedure, the magnetic material was deposited using the sputtering technique, and the photo resist was removed by lift-off. Samples with thicknesses of around 500 angstrom were grown in stripes structures and periodicity of 800 nm. The results indicate that the samples with Co and NiFe present exchange bias effect and this is due the surface oxidation. (C) 2005 Elsevier B.V. All rights reserved.
Subject: Magnetic arrays
Exchange bias
Holographic lithography
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.jmmm.2005.03.055
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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