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Title: Exchange bias between magnetoelectric YMnO3 and ferromagnetic SrRuO3 epitaxial films
Author: Martí, X.
Sánchez Barrera, Florencio
Fontcuberta i Griñó, Josep
Garca-Cuenca Varona, Mara Victoria
Ferrater Martorell, Cèsar
Varela Fernández, Manuel, 1956-
Keywords: Propietats magnètiques
Pel·lícules fines
Matèria condensada
Magnetic properties
Thin films
Condensed matter
Issue Date: 20-Apr-2006
Publisher: American Institute of Physics
Abstract: Orthorhombic YMnO3 (YMO) epitaxial thin films were deposited on SrTiO3 (STO) single-crystal substrates. We show that the out-of-plane texture of the YMO films can be tailored using STO substrates having (001), (110), or (111) orientations. We report on the magnetic properties of the YMO(010) films grown on STO(001) substrates. The dependence of the susceptibility on the temperature indicates that the films are antiferromagnetic below the Néel temperature (around 35 K). Orthorhombic YMO(010) films were also deposited on an epitaxial buffer layer of ferromagnetic and metallic SrRuO3 (SRO). The magnetic hysteresis loops of SRO show exchange bias at temperatures below the Néel temperature of YMO. These results confirm that the YMO films are antiferromagnetic and demonstrate that magnetoelectric YMO can be integrated in functional epitaxial architectures.
Note: Reproducció del document publicat a:
It is part of: Journal of Applied Physics, 2006, vol. 99, núm. 8, p. 08P302
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ISSN: 0021-8979
Appears in Collections:Articles publicats en revistes (Física Aplicada)

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