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Kerr measurements on single-domain SrRuO3 thin films
Herranz Casabona, Gervasi; Dix, Nico; Sánchez Barrera, Florencio; Martínez Perea, Benjamin; Fontcuberta i Griñó, Josep; García-Cuenca Varona, María Victoria; Ferrater Martorell, Cèsar; Varela Fernández, Manuel, 1956-; Hrabovsky, D.; Fert, Albert, 1938-
Universitat de Barcelona
We report on the magneto-optical measurements of an epitaxial SrRuO3 film grown on SrTiO3 (0 0 1), which previously was determined to be single domain orientated by x-ray diffraction and Raman spectroscopy techniques. Our experiments reveal a large Kerr rotation, which reaches a maximum value of about 0.5° at low temperature. By measuring magnetic hysteresis loops at different temperatures, we determined the temperature dependence of the Kerr rotation in the polar configuration. Values of the anisotropic magnetoresistance ~ 20% have been measured. These values are remarkably higher than those of other metallic oxides such as manganites. This striking difference can be attributed to the strong spin-orbit interaction of the Ru 4d ion in the SrRuO3 compound.
2012-05-03
Pel·lícules fines
Espectroscòpia Raman
Matèria condensada
Difracció de raigs X
Òxids metàl·lics
Thin films
Raman spectroscopy
Condensed matter
X-rays diffraction
Metallic oxides
(c) American Institute of Physics, 2004
Article
American Institute of Physics
         

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