Coupling of superconductors through a half-metallic ferromagnet: Evidence for a long-range proximity effect | Zendy

V. Peña | Zendy; Z. Sefrioui | Zendy; D. Arias | Zendy; C. León | Zendy; J. Santamarı́a | Zendy; M. Varela | Zendy; Stephen J. Pennycook | Zendy; J. L. Martı́nez | Zendy

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

Author(s) -

V. Peña,

Z. Sefrioui,

D. Arias,

C. León,

J. Santamarı́a,

M. Varela,

Stephen J. Pennycook,

J. L. Martı́nez

Publication year - 2004

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.69.224502

Subject(s) - superconductivity , condensed matter physics , ferromagnetism , proximity effect (electron beam lithography) , superlattice , coupling (piping) , metal , materials science , range (aeronautics) , physics , layer (electronics) , nanotechnology , composite material , resist , electron beam lithography , metallurgy

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

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