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We consider the effect of a multiple magnetic domain structure in a superconductor/ferromagnet bilayer, modeled by a ferromagnetic layer with a rotating magnetic moment. The domain walls in this model are of equal size as the domains, and…

Superconductivity · Physics 2007-05-23 T. Champel , M. Eschrig

We develop a phenomenological model of superconductivity near a domain wall in a ferromagnet. In addition to the electromagnetic interaction of the order parameter with the ferromagnetic magnetization, we take into account the possibility…

Superconductivity · Physics 2009-11-10 K. V. Samokhin , D. Shirokoff

We study the equilibrium properties of a ferromagnetic insulator/superconductor structure near a magnetic domain wall. We show how the domain wall size is affected by the superconductivity in such structures. Moreover, we calculate several…

Superconductivity · Physics 2019-06-05 Faluke Aikebaier , P. Virtanen , Tero T. Heikkilä

We study the superconducting proximity effect in a superconductor-ferromagnet-superconductor (SFS) heterostructure, containing a domain wall in the ferromagnetic region. For the ferromagnet we assume an alloy with an exchange splitting of…

Superconductivity · Physics 2009-11-11 Alexander Konstandin , Juha Kopu , Matthias Eschrig

We investigate the effect of an inhomogeneous exchange field on the proximity effect in superconductor-ferromagnet hybrid structures within the quasi-classical theory of superconductivity. As an example we study the proximity effect in a…

Superconductivity · Physics 2007-05-23 T. Champel , M. Eschrig

In (S/F) hybrids the suppression of superconductivity by the exchange field h_ex of the ferromagnet can be partially lifted when different directions of h_ex are sampled simultaneously by the Cooper pair. In F/S/F trilayer geometries where…

Superconductivity · Physics 2009-11-10 A. Yu. Rusanov , M. Hesselberth , J. Aarts , A. I. Buzdin

On the basis of phenomenological Ginzburg-Landau approach we investigate the problem of order parameter nucleation in hybrid superconductor/ferromagnetic systems with a domain structure in applied external magnetic field. Both the isolated…

Superconductivity · Physics 2009-11-10 A. Yu. Aladyshkin , A. I. Buzdin , A. A. Fraerman , A. S. Mel'nikov , D. A. Ryzhov , A. V. Sokolov

The ability to locally apply and tune large magnetic fields is a crucial requirement for several devices, most notably for detection and generation of majorana fermions. Such a functionality can be achieved in Superconductor (S)…

Superconductivity · Physics 2023-06-23 Pushpak Banerjee , Pramod K. Sharma , Sonam Bhakat , Biswajit Dutta , Avradeep Pal

We consider a bi-layer consisting of a $d-$wave layerd superconductor and diffusive ferromagnet with a domain wall (DW). The $c-$axis in the superconductor and DW in the ferromagnet are assumed to be perpendicular to the interface. We…

Superconductivity · Physics 2009-11-13 A. F. Volkov , K. B. Efetov

The very special characteristic of the proximity effect in superconductor-ferromagnet systems is the damped oscillatory behavior of the Cooper pair wave function in a ferromagnet. In some sense, this is analogous to the inhomogeneous…

Superconductivity · Physics 2009-11-11 A. I. Buzdin

In the present work we study experimentally the influence that the domain structure of a fer- romagnet (FM) has on the properties of a superconductor (SC) in bilayers and multilayers of La0.60Ca0.40MnO3/Nb and FePt/Nb proximity hybrids.…

Superconductivity · Physics 2007-05-23 D. Stamopoulos , M. Pissas

We investigate how domain structure of the ferromagnet in superconductor-ferromagnet heterostructures may change their transport properties. We calculate the distribution of current in the superconductor induced by magnetic field of Bloch…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 I. S. Burmistrov , N. M. Chtchelkatchev

In the present work we shall address the issue of electrical conductivity in superconductors in the perspective of superconducting domain wall solutions in the realm of field theory. We take our set up made out of a dynamical complex scalar…

High Energy Physics - Theory · Physics 2013-11-28 F. A. Brito , M. L. F. Freire , J. C. Mota-Silva

The recent experimental demonstration of spin-polarized supercurrents offer a venue for establishment of a superconducting analogue to conventional spintronics. Whereas domain wall motion in purely magnetic structures is a well-studied…

Superconductivity · Physics 2015-06-18 Jacob Linder , Klaus Halterman

Thermally induced magnetization dynamics is currently a flourishing field of research due to its potential application in information technology. We study the paradigmatic system of a magnetic domain wall in a thermal gradient which is…

Superconductivity · Physics 2022-02-08 I. V. Bobkova , A. M. Bobkov , Wolfgang Belzig

Motivated by the recent experiment in multilayered cuprate superconductors reporting the enhancement of antiferromagnetic order below the superconducting transition temperature, we study the proximity effect of the antiferromagnetic…

Strongly Correlated Electrons · Physics 2012-05-24 Hiroyuki Yoshizumi , Takao Morinari , Takami Tohyama

We theoretically investigate domain wall motion in an antiferromagnetic insulator layer caused by thermally generated spin currents in an adjacent spin-split superconductor layer. An uncompensated antiferromagnet interface enables the two…

Superconductivity · Physics 2021-03-17 G. A. Bobkov , I. V. Bobkova , A. M. Bobkov , Akashdeep Kamra

Ferromagnetic insulators can induce a strong exchange field in an adjacent superconductor via the magnetic proximity effect. This manifests as spin-splitting of the BCS density of states of the superconductor, an important ingredient for…

Magnetization noncollinearity in ferromagnet-superconductor (F/S) heterostructures is expected to enhance the superconducting transition temperature (Tc) according to the domain-wall superconductivity theory, or to suppress Tc when…

Superconductivity · Physics 2013-04-25 L. Y. Zhu , Yaohua Liu , F. S. Bergeret , J. E. Pearson , S. G. E. te Velthuis , S. D. Bader , J. S. Jiang

Scattering of spin-up and spin-down electrons while passing through a ferromagnetic domain wall leads to an additional resistance for transport current, usually observed prominently in constricted magnetic structures. In this report, we use…

Superconductivity · Physics 2023-04-11 Ekta Bhatia , Zainab Hussain , V. Raghavendra Reddy , Zoe H. Barber , Kartik Senapati
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