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Title: Magneto-optical Kerr effect in laser-patterned La2/3Sr1/3MnO3 epitaxial thin films
Author: Bibes, Manuel
Hrabovsky, D.
Varela Fernández, Manuel, 1956-
Fontcuberta i Griñó, Josep
Trtik, V.
Martínez Benjamin, Joan Josep
Fert, Albert, 1938-
Keywords: Pel·lícules fines
Matèria condensada
Thin films
Condensed matter
Issue Date: 1-Jun-2001
Publisher: American Institute of Physics
Abstract: In this study, we have performed magneto-optical Kerr effect (MOKE) measurement on epitaxial La2/3Sr1/3MnO3 thin films containing artificial interfaces created by laser-patterning the SrTiO3 substrate. The observed increase of the resistivity and of the high-field magnetoresistance when measuring the films across the interface arrays are related to the reduction of the magnetization of the interfaces with respect to the rest of the film. As observed by the local MOKE probe, the structural disorder in the manganite film induced by the underlying patterned substrate leads to a large spin disorder responsible for a strong high-field susceptibility of the resistance.
Note: Reproducció del document publicat a:
It is part of: Journal of Applied Physics, 2001, vol. 89, núm. 11, p. 280
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ISSN: 0021-8979
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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