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SUPERCONDUCTING SPINTRONICS

Superconducting diodes with no magnetic field

Nature Materials volume 21, pages 999–1000 (2022)Cite this article

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Planar Josephson junctions with Nb electrodes and a composite weak link barrier combining heavy metal Pt and ferrimagnetic Y3Fe5O12 enable a large supercurrent diode effect at 4He fridge temperatures in the absence of an applied magnetic field.

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Fig. 1: (Rashba-type) energy (E)–momentum (k) Fermi contours under an exchange field.

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Authors and Affiliations

  1. GFMC, Departamento Fisica de Materiales, Facultad de Fisica, Universidad Complutense, Madrid, Spain

    Jacobo Santamaria

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  1. Jacobo Santamaria
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Correspondence to Jacobo Santamaria.

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Santamaria, J. Superconducting diodes with no magnetic field. Nat. Mater. 21, 999–1000 (2022). https://doi.org/10.1038/s41563-022-01338-7

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