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A superconductor/ferromagnet/superconductor Josephson junction with anomalous phase shift (phi_0-S/F/S JJ) is a system, where the anomalous ground state shift phi_0 provides a direct magnetoelectric coupling between a magnetic moment and a…

Superconductivity · Physics 2024-03-19 G. A. Bobkov , I. V. Bobkova , A. M. Bobkov

We investigate Josephson coupling through a ferromagnetic thin film using Superconductor-Insulator-Ferromagnet-Superconductor planar junctions. Damped oscillations of the critical current are observed as a function of the ferromagnetic…

Superconductivity · Physics 2007-05-23 T. Kontos , M. Aprili , J. Lesueur , F. Genet , B. Stephanidis , R. Boursier

The unconventional Josephson coupling in a ferromagnetic weak link between d-wave superconductors is studied theoretically. For strong ferromagnetic barrier influence, the unconventional coupling, with ground state phase difference across…

Superconductivity · Physics 2009-10-31 Z. Radovic , L. Dobrosavljevic--Grujic , B. Vujicic

Motivated by recent experiments revealing superconductivity in MoS$_2$, we investigate the Josephson effect in the monolayer MoS$_2$ at the presence of an exchange splitting. We show that the supercurrent reversal known as $0-\pi$…

Mesoscale and Nanoscale Physics · Physics 2014-11-04 Babak Zare Rameshti , Ali G. Moghaddam , Malek Zareyan

Superconductor-ferromagnet-superconductor Josephson junctions are known to exist in the $0$ and $\pi$ states with the transitions between them controlled by the temperature and ferromagnetic interlayer thickness. We demonstrate that these…

Superconductivity · Physics 2020-03-18 A. Vargunin , M. A. Silaev

We study the supercurrent in quasi-one-dimensional Josephson junctions with a weak link involving magnetism, either via magnetic impurities or via ferromagnetism. In the case of weak links longer than {\color{black}the magnetic…

Mesoscale and Nanoscale Physics · Physics 2018-12-24 P. A. Ioselevich , P. M. Ostrovsky , Ya. V. Fominov

We study a diffusive superconductor--ferromagnet--superconductor (SFS) junction with in-plane ferromagnetic domains. Close to the superconducting transition temperature, we describe the proximity effect in the junction with the linearized…

Mesoscale and Nanoscale Physics · Physics 2007-10-02 B. Crouzy , S. Tollis , D. A. Ivanov

We study Superconductor-Ferromagnet-Superconductor (Nb-Cu0.47 Ni0.53-Nb) Josephson junctions with spatial variations in the barrier thickness. Critical current vs. magnetic flux diffraction patterns indicate that the critical current…

Superconductivity · Physics 2007-05-23 S. M. Frolov , D. J. Van Harlingen , V. V. Bolginov , V. A. Oboznov , V. V. Ryazanov

An arrangement of mesoscopic experiments is considered when the conductance of a mesoscopic normal metal sample is governed not only by the magnetic flux threading the sample but by the supercurrent inside the superconductor coupled to the…

Condensed Matter · Physics 2016-08-31 A. Zagoskin , A. Kadigrobov , R. Shekhter , M. Jonson

We study the Josephson effect in clean heterojunctions that consist of superconductors connected through two metallic ferromagnets with insulating interfaces. We solve the scattering problem based on the Bogoliubov--de Gennes equation for…

Superconductivity · Physics 2009-11-11 Z. Pajovic , M. Bozovic , Z. Radovic , J. Cayssol , A. Buzdin

Josephson junctions are essential devices in superconducting electronics and quantum computing hardware. Here we predict electrical control of the supercurrent in composite superconductor-insulator-ferroelectric-insulator-superconductor…

Superconductivity · Physics 2026-05-08 Yaozu Tang , Mazhar N. Ali , Gerrit E. W. Bauer , Yaroslav M. Blanter

The distinctive quasiparticle distribution existing under nonequilibrium in a superconductor-insulator-normal metal-insulator-superconductor (SINIS) mesoscopic line is proposed as a novel tool to control the supercurrent intensity in a long…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 F. Giazotto , T. T. Heikkila , F. Taddei , Rosario Fazio , J. P. Pekola , F. Beltram

We report supercurrent transport measurements in hybrid Josephson junctions comprised of semiconducting InAs nanowires with epitaxial ferromagnetic insulator EuS and superconducting Al coatings. The wires display a hysteretic…

We investigate the current-phase relation of S/F/S junctions near the crossover between the 0 and the pi ground states. We use Nb/CuNi/Nb junctions where this crossover is driven both by thickness and temperature. For a certain thickness a…

Superconductivity · Physics 2007-05-23 H. Sellier , C. Baraduc , F. Lefloch , R. Calemczuk

We report on the realization of a planar, quasi-ballistic Josephson junction array using a Au micron-sized single-crystal. The system exhibits a nonlocal, multiterminal Josephson effect, where the supercurrent between any two…

Josephson junctions containing multiple ferromagnetic layers can carry spin-triplet supercurrent under certain conditions. Large-area junctions containing multiple domains are expected to have a random distribution of 0 or pi coupling…

Superconductivity · Physics 2015-06-04 Yixing Wang , W. P. Pratt, , Norman O. Birge

We study theoretically the large variations of the supercurrent through a normal dot that are induced by a small quasiparticle injection current from normal leads connected to the dot. We find that the supercurrent decomposes into a subgap…

Superconductivity · Physics 2022-12-07 Sarath Sankar , Julia S. Meyer , Manuel Houzet

We report the first experimental observation of the two-node thickness dependence of the critical current in Josephson junctions with a ferromagnetic interlayer. Vanishings of the critical current correspond to transitions into pi-state and…

Superconductivity · Physics 2007-05-23 V. A. Oboznov , V. V. Bol'ginov , A. K. Feofanov , V. V. Ryazanov , A. I. Buzdin

We study the Josephson effect in a superconductor--ferromagnet--superconductor (SFS) junction with ferromagnetic domains of non-collinear magnetization. As a model for our study we consider a diffusive junction with two ferromagnetic…

Superconductivity · Physics 2007-05-23 B. Crouzy , S. Tollis , D. A. Ivanov

Electronic transport through nanostructures is greatly affected by the presence of superconducting leads. If the interface between the nanostructure and the superconductors is sufficiently transparent, a dissipationless current…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Pablo Jarillo-Herrero , Jorden A. van Dam , Leo P. Kouwenhoven