FERROMAGNETISM AND SUPERCONDUCTIVITY IN La0.7Sr0.3MnO3/YBa2Cu3O7 SUPERLATTICES

FERROMAGNETISM AND SUPERCONDUCTIVITY IN La0.7Sr0.3MnO3/YBa2Cu3O7 SUPERLATTICES

Authors report on the fabrication of La0.7Sr0.3MnO3/YBa2Cu3O7 (LSMO/YBCO) multilayers grown by high pressure dc sputtering on LaAlO3 substrates. XRD analysis of the single and bilayer films confirms c-axis epitaxial growth; superlattice structure shows second order satellite peaks. Magnetic moment m...

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Veröffentlicht in:Physica. C, Superconductivity Superconductivity, 2000-01, Vol.341-348, p.767-768
Hauptverfasser: Przyslupski, P, Komissarov, I, Dynowska, E, Kolesnik, S, Skoskiewicz, T, Wosik, J
Format: Artikel
Sprache:eng
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Zusammenfassung:Authors report on the fabrication of La0.7Sr0.3MnO3/YBa2Cu3O7 (LSMO/YBCO) multilayers grown by high pressure dc sputtering on LaAlO3 substrates. XRD analysis of the single and bilayer films confirms c-axis epitaxial growth; superlattice structure shows second order satellite peaks. Magnetic moment measurements show both superconducting and ferromagnetic order below the superconducting transitions Tc0. Superconducting transitions for a series of multilayers with fixed YBCO thickness of 5.8 nm and increasing thickness of LSMO layers from 1.2 to 3.6 nm show monotonic decrease of Tc0. 7 refs.
ISSN:0921-4534