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The design of spin-transport based devices such as magnon transistors or spin valves will require multilayer systems composed of different magnetic materials with different physical properties. Such layered structures can show various…

Materials Science · Physics 2022-03-23 Verena Brehm , Martin Evers , Ulrike Ritzmann , Ulrich Nowak

The long-range proximity effect in superconductor/ferromagnet (S/F) hybrid nano-structures is observed if singlet Cooper pairs from the superconductor are converted into triplet pairs which can diffuse into the fer- romagnet over large…

Superconductivity · Physics 2015-06-12 F. S. Bergeret , I. Tokatly

Superconductor/ferromagnet/superconductor heterostructures exhibit a so-called long-range proximity effect provided some layers of conical magnet Holmium are included in the respective interface regions. The Ho layers lead to a spin-flip…

Superconductivity · Physics 2015-04-06 Daniel Fritsch , James F. Annett

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 study the influence of the inverse proximity effect on the superconductivity nucleation in hybrid structures consisting of the semiconducting nanowires placed in contact with a thin superconducting film and discuss the resulting…

Superconductivity · Physics 2018-04-17 Alexander A. Kopasov , Ivan M. Khaymovich , Alexander S. Mel'nikov

We report the results of a study of superconducting proximity effects in clean Ferromagnet/Ferromagnet/Superconductor (${\rm F_1F_2S}$) heterostructures, where the pairing state in S is a conventional singlet s-wave. We numerically find the…

Superconductivity · Physics 2012-08-09 Chien-Te Wu , Oriol T. Valls , Klaus Halterman

A drastic modification of electronic band structure is predicted in bilayer graphene when it is placed between two ferromagnetic insulators. Due to the exchange interaction with the proximate ferromagnet, the electronic energy dispersion in…

Materials Science · Physics 2008-04-04 Y. G. Semenov , K. W. Kim , J. M. Zavada

We study the inverse proximity effect in a bilayer consisting of a thin $s$- or $d$-wave superconductor (S) and a topological insulator (TI). Integrating out the topological fermions of the TI, we find that spin-orbit coupling is induced in…

Superconductivity · Physics 2019-03-13 Henning G. Hugdal , Morten Amundsen , Jacob Linder , Asle Sudbø

Ferromagnetism and superconductivity typically compete with each other since the internal magnetic field generated in a magnet suppresses the formation of spin-singlet Cooper pairs in conventional superconductors. Only a handful of…

Mesoscale and Nanoscale Physics · Physics 2020-07-09 Xiaomeng Liu , Zeyu Hao , Eslam Khalaf , Jong Yeon Lee , Kenji Watanabe , Takashi Taniguchi , Ashvin Vishwanath , Philip Kim

A ferromagnetic insulator (FI) in contact with a superconductor (S) is known to induce a spin splitting of the BCS density of states at the FI/S interface. This spin splitting causes the Cooper pairs to reduce their singlet-state…

Superconductivity · Physics 2022-05-10 Alberto Hijano , Vitaly N. Golovach , F. Sebastián Bergeret

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 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

Hybrid Ising superconductor-ferromagnetic insulator heterostructures provide a unique opportunity to explore the interplay between proximity-induced magnetism, spin-orbit coupling and superconductivity. Here we use a combination of…

Superconductivity · Physics 2021-08-18 Darshana Wickramaratne , Menashe Haim , Maxim Khodas , I. I. Mazin

Applying the linearized Usadel equations, we consider the nucleation of superconductivity in multiply connected mesoscopic superconductor/ferromagnet (S/F) hybrids such as a thin superconducting ring on a ferromagnet with a uniform in-plane…

Superconductivity · Physics 2019-07-17 A. V. Samokhvalov , J. W. A. Robinson , A. I. Buzdin

We show that spin-orbit coupling at the interface between a superconducting film of the finite lateral size and the underlying ferromagnetic insulator with in-plane exchange field gives rise to a series of non-reciprocal effects provided…

Superconductivity · Physics 2023-12-21 A. V. Putilov , S. V. Mironov , A. I. Buzdin

We study the proximity effect in a superconductor (S)-normal metal (N) bilayer under in-plane magnetic field. A compensation between the Zeeman effect and the energy splitting between bonding and anti-bonding levels leads to a magnetic…

Superconductivity · Physics 2015-05-28 Xavier Montiel , Alexandre I. Buzdin

The inverse Faraday effect (IFE), where a static magnetization is induced by circularly polarized light, offers a promising route to ultrafast control of spin states. Here we study the IFE in Mott insulators using the Floquet theory. We…

Strongly Correlated Electrons · Physics 2022-06-02 Saikat Banerjee , Umesh Kumar , Shi-Zeng Lin

We show that the interplay between spin-orbit coupling (SOC) and the paramagnetic response of itinerant electrons in proximitized superconductor/paramagnet systems gives rise to the inverse spin galvanic effect, i.e. generation of magnetic…

Superconductivity · Physics 2024-06-25 S. V. Mironov , A. S. Mel'nikov , A. I. Buzdin

During the past 15 years a new field has emerged, which combines superconductivity and spintronics, with the goal to pave a way for new types of devices for applications combining the virtues of both by offering the possibility of…

Superconductivity · Physics 2016-02-02 M. Eschrig

We study the perpendicular transport characteristics of small superconductor/ferromagnetic insulator/superconductor (YBa$_2$Cu$_3$O$_{7-x}$/LaMnO$_{3+\delta}$/YBa$_2$Cu$_3$O$_{7-x}$) tunnel junctions. At a large bias voltage $V\sim 1$ V we…

Superconductivity · Physics 2013-05-03 T. Golod , A. Rydh , V. M. Krasnov , I. Marozau , M. A. Uribe-Laverde , D. K. Satapathy , Th. Wagner , C. Bernhard