PUGACH, N. G.; BUZDIN, Alexandre I.

doi:10.1063/1.4769900

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PUGACH, N. G.
Faculty of Physics [MSU, Moscow]

BUZDIN, Alexandre I.
Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Institut universitaire de France [IUF]

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Applied Physics Letters. 2012-12-10, vol. 101, n° 24, p. 242602 (1-4)

American Institute of Physics

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The induced magnetic moment, provided by the bands electrons, is calculated in a variety of Josephson junctions with multilayered ferromagnetic (F) weak link. The noncollinear magnetization of the F layers provides the conditions necessary to generate triplet superconducting correlations. It leads to the long-range induced magnetic moment, emerging in the superconducting (S) layers. It is shown to be dependent on the Josephson phase. By tuning the Josephson current, one may control the long-range induced magnetic moment. Alternatively, applying the voltage we can generate an oscillatory magnetic moment. The detection of such a spin effect may serve as independent evidence of the triplet superconductivity. The proposed mechanism seems to be attractive for superconducting spintronic devices with low dissipation.< Réduire

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Magnetic moment manipulation by triplet Josephson current

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