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Coupling of superconductors through a half-metallic ferromagnet : evidence for a long-range proximity effect

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Peña, V. and Sefrioui, Zouhair and Arias Serna, Diego and León Yebra, Carlos and Santamaría Sánchez-Barriga, Jacobo and Varela del Arco, María and Pennycook, S. J. and Martínez, J. L. (2004) Coupling of superconductors through a half-metallic ferromagnet : evidence for a long-range proximity effect. Physical review B, 69 (22). ISSN 1098-0121

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Official URL: http://dx.doi.org/10.1103/PhysRevB.69.224502


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http://journals.aps.org/Publisher


Abstract

Here we examine the ferromagnetic/superconducting proximity effect in half-metallic ferromagnetic La_(0.7)Ca_(0.3)MnO_(3) and high-T_(c) superconducting YBa_(2)Cu_(3)O_(7) artificial structures. We have found experimental evidence for the coupling between superconducting layers through ferromagnetic spacers in superlattices. This is consistent with a long-range proximity effect in half-metal ferromagnet/d-wave superconductor structures.


Item Type:Article
Additional Information:

© 2004 The American Physical Society. This work was supported by MCYT MAT 2002-2642 and CAM 07N/0032/2002 and Fundación Ramón Areces.

Uncontrolled Keywords:Junctions; Superlattices; Multilayers; Transport; Coexistence; Interface; Layers.
Subjects:Sciences > Physics > Electricity
Sciences > Physics > Electronics
ID Code:30696
Deposited On:09 Jun 2015 11:46
Last Modified:10 Dec 2018 14:58

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