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Self-interference of charge carriers in ferromagnetic SrRuO3

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We report a systematic study of the low-temperature electrical conductivity in a series of SrRuO3 epitaxial thin films. At relatively high temperature the films display the conventional metallic behavior. However, a well-defined resistivity minimum appears at low temperature. This temperature dependence can be well described in a weak localization scenario: the resistivity minimum arising from the competition of electronic self-interference effects and the normal metallic character. By appropriate selection of the film growth conditions, we have been able to modify the mean-free path of itinerant carriers and thus to tune the relative strength of the quantum effects. We show that data can be quantitatively described by available theoretical models.

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HERRANZ CASABONA, Gervasi, SÁNCHEZ BARRERA, Florencio, MARTÍNEZ PEREA, Benjamin, FONTCUBERTA I GRIÑÓ, Josep, GARCÍA-CUENCA VARONA, María victoria, FERRATER MARTORELL, Cèsar, VARELA FERNÁNDEZ, Manuel. Self-interference of charge carriers in ferromagnetic SrRuO3. _Journal of Applied Physics_. 2004. Vol. 95, núm. 7213-7215. [consulta: 23 de gener de 2026]. ISSN: 0021-8979. [Disponible a: https://hdl.handle.net/2445/24810]

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