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Bulk Versus Surface Magnetic Texture in Thin Films Obtained by Pulsed Laser Deposition

Published online by Cambridge University Press:  01 February 2011

Monica Sorescu ,
A. Grabias ,
D. Tarabasanu-Mihaila  and
L. Diamandescu
Monica Sorescu
Affiliation:
Duquesne University, Physics Department, Pittsburgh, PA 15282-0321, USA
A. Grabias
Affiliation:
Duquesne University, Physics Department, Pittsburgh, PA 15282-0321, USA Institute of Electronic Materials Technology, Wolczynska 133, 01-919 Warsaw, Poland
D. Tarabasanu-Mihaila
Affiliation:
Institute of Atomic Physics, R-76900 Bucharest-Magurele, Romania
L. Diamandescu
Affiliation:
Institute of Atomic Physics, R-76900 Bucharest-Magurele, Romania Universita “Ca Foscari”, Dipartimento Di Chimica Fisica, Calle Larga S. Marta 2137, 30123 Venezia, Italy
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Abstract

In this paper we present a direct comparison between the properties of bulk magnetic systems and those of corresponding thin films obtained by pulsed laser deposition. These are: Fe50Co50, Fe3O4, Fe3O4:Co and Fe2O3:Cr. Using transmission and conversion electron Mössbauer spectroscopy, we present results on the bulk and surface hyperfine magnetic fields, site populations and magnetic texture. Our results support an increase in the hyperfine field values at surfaces, a more pronounced out-of-plane magnetic texture in the films, as well as a perfect transfer of stoichiometry and substitution level from target to substrate materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 721: Symposia E/J – Texture and Microstructure in Electronic and Magnetic Films – Nanostructural Magnetic Materials for Data Storage , 2002 , J7.2
Copyright
Copyright © Materials Research Society 2002

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References

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