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Título: | Magnetic proximity effect in Fe/Pt/Nb multilayers |
Autor: | Vélez, María CSIC ORCID; Martínez Boubeta, Carlos CSIC ORCID; Cebollada, Alfonso CSIC ORCID; Briones Fernández-Pola, Fernando CSIC; Vicent, J. L. | Palabras clave: | Proximity effect Multilayers Superconductor Ferromagnet |
Fecha de publicación: | feb-2002 | Editor: | Elsevier | Citación: | Journal of Magnetism and Magnetic Materials 240(I-3): 580-582 (2002) | Resumen: | uperconductor/normal metal/ferromagnetic structures have been prepared in order to study the proximity effect between the superconductor and the ferromagnet via the normal metal layer. In particular, [25 nm Nb/Pt/10 nm Fe(0 0 1)] trilayers have been grown by DC sputtering with Pt layer thicknesses in the 2–30 nm range. For the samples with the thinnest Pt layers, the superconducting transition temperature is reduced by more than 1 K, in comparison with a control series of [Nb/Pt] bilayers. As the Pt thickness is increased, the transition temperature also increases, until the effect of the Fe layer is completely screened for a 30 nm thick Pt layer. This sets a length scale for this phenomenon comparable to the normal metal coherence length in the Pt, ξN≈32 nm. | Versión del editor: | http://dx.doi.org/10.1016/S0304-8853(01)00851-4 | URI: | http://hdl.handle.net/10261/34615 | DOI: | 10.1016/S0304-8853(01)00851-4 | ISSN: | 0304-8853 |
Aparece en las colecciones: | (IMN-CNM) Artículos |
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