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Magneto-optical Kerr effect in laser-patterned La2/3Sr1/3MnO3 epitaxial thin films
Bibes, Manuel; Hrabovsky, D.; Varela Fernández, Manuel, 1956-; Fontcuberta i Griñó, Josep; Trtik, V.; Martínez Benjamin, Joan Josep; Fert, A. R.
Universitat de Barcelona
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.
Pel·lícules fines
Làsers
Matèria condensada
Magnetisme
Thin films
Lasers
Condensed matter
Magnetism
(c) American Institute of Physics, 2001
Article
American Institute of Physics
         

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Bibes, Manuel; Martínez Benjamin, Joan Josep; Fontcuberta i Griñó, Josep; Trtik, V.; Benitez, F.; Ferrater Martorell, Cèsar; Sánchez Barrera, Florencio; Varela Fernández, Manuel, 1956-
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