Superconducting phase inversions in mesoscopic superconductor-normal metal-ferromagnet Josephson structures controlled by nonequilibrium injections
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RYAZANOV, Valeriy, GOLIKOVA, T., WOLF, M., BECKMANN, Detlef, PENZYAKOV, G., BATOVA, I., BOBKOVA, I., BOBKOV, A.. Superconducting phase inversions in mesoscopic superconductor-normal metal-ferromagnet Josephson structures controlled by nonequilibrium injections. In: The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics, 22-25 octombrie 2021, Chişinău. Chişinău: 2021, p. 40. ISBN 978-9975-47-215-9.
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The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics 2021
Conferința "The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics"
Chişinău, Moldova, 22-25 octombrie 2021

Superconducting phase inversions in mesoscopic superconductor-normal metal-ferromagnet Josephson structures controlled by nonequilibrium injections


Pag. 40-40

Ryazanov Valeriy1, Golikova T.1, Wolf M.2, Beckmann Detlef2, Penzyakov G.1, Batova I.1, Bobkova I.1, Bobkov A.1
 
1 Institute of Solid State Physics, Russian Academy of Science,
2 Karlsruhe Institute of Technology, Institute of Nanotechnology
 
 
Disponibil în IBN: 18 martie 2022


Rezumat

We have studied experimentally Josephson effect in the crosslike S–N/F–S junctions driven in nonequilibrium by applying an injection current across the complex N/F weak link. The superconducting critical current upon increasing the injection current manifests the nonmonotonic behavior with two pronounced dips, which are supposed to be due to the double 0–pi transition. The model taking into account the supercurrent-carrying density of states (SCDOS) of a S–N/F–S structure and spin injection into the N layer is developed to describe the observed effect.