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Related papers: Proximity effects in superconductor-ferromagnet he…

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Interfacing superconductors with strongly spin-polarized magnetic materials opens the possibility to discover new spintronic devices in which spin-triplet Cooper pairs play a key role. Motivated by the recent derivation of spin-polarized…

Superconductivity · Physics 2017-05-17 Jabir Ali Ouassou , Avradeep Pal , Mark Blamire , Matthias Eschrig , Jacob Linder

Polarized neutron reflectometry is used to study the magnetic proximity effect in a superconductor/ferromagnet (SC/FM) system of composition Cu(32nm)/V(40nm)/Fe(1nm)/MgO. In contrast to previous studies, here a single SC/FM bilayer, is…

The production of entangled pairs of electrons in ferromagnet-superconductor-ferromagnet or normal metal-superconductor-normal metal three-terminal structures has aroused considerable interest in the last twenty years. In these studies, the…

Superconductivity · Physics 2021-08-11 Régis Mélin

The ferromagnetic resonance of thin sputtered Ni80Fe20 films grown on Nb is measured. By varying the temperature and thickness of the Nb the role of the superconductivity on the whole ferromagnetic layer in these heterostructures is…

Superconductivity · Physics 2009-11-13 C. Bell , S. Milikisyants , M. Huber , J. Aarts

Superconducting proximity effects in graphene have received a great deal of attention for over a decade now. This has unveiled a plethora of exotic effects linked to the specificities of graphene's electronic properties. The vast majority…

Strongly Correlated Electrons · Physics 2022-06-14 D. Perconte , D. Bercioux , B. Dlubak , P. Seneor , F. S. Bergeret , J. E. Villegas

Technology involving hybrid superconductor-semiconductor materials is a promising avenue for engineering quantum devices for information storage, manipulation, and transmission. Proximity-induced superconducting correlations are an…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 Serafim S. Babkin , Benjamin Joecker , Karsten Flensberg , Maksym Serbyn , Jeroen Danon

We study the Josephson diode effect in the one-dimensional superconductor/helimagnet/superconductor junctions using the Green's function method. For the spin-singlet $s$-wave pairing in superconductors, it is found that the necessary…

Superconductivity · Physics 2026-05-29 Qiang Cheng , Yu-Chen Zhuang , Qing-Feng Sun

Conventional spin-singlet superconductivity that deeply penetrates into ferromagnets is typically killed by the exchange interaction, which destroys the spin-singlet pairs. Under certain circumstances, however, superconductivity survives…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Taketomo Nakamura , Le Duc Anh , Yoshiaki Hashimoto , Shinobu Ohya , Masaaki Tanaka , Shingo Katsumoto

Recently there has been reinvigorated interest in the superconducting proximity effect, driven by predictions of the emergence of Majorana fermions. To help guide this search, we have developed a phenomenological model for the tunneling…

This work is devoted to experimental study of influence of superconductivity (S) on ferromagnetism (FM) (inverse proximity effects) with the help of Polarized Neutron Reflectivity. Combining meausurements of specular and diffuse intensities…

We explore the role of proximity-induced odd-frequency pairing in the thermoelectricity of a ferromagnet when coupled to a conventional $s$-wave spin-singlet superconductor through a spin-active interface. By varying both the polarization…

Superconductivity · Physics 2020-09-18 Paramita Dutta , Kauê R. Alves , Annica M. Black-Schaffer

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

Properties of superfluid states of two-dimensional electron systems with critical antiferromagnetic fluctuations are investigated. These correlations are found to result in the emergence of rapidly varying in the momentum space terms in all…

Strongly Correlated Electrons · Physics 2009-11-10 V. A. Khodel , V. M. Yakovenko

We study spin dependent phonomena in superconducting junctions in both ballistic and diffusive regimes. For ballistic junctions we study both ferromagnet / $s$- and d-wave superconductor junctions and two dimensional electron gas / s-wave…

Superconductivity · Physics 2009-11-11 T. Yokoyama , Y. Tanaka

Josephson junctions with a ferromagnetic metal weak link reveal a very strong decrease of the critical current compared to a normal metal weak link. We demonstrate that in the ballistic regime the presence of a small region with a…

Superconductivity · Physics 2014-06-30 A. V. Samokhvalov , R. I. Shekhter , A. I. Buzdin

The Josephson effect is one of the most studied macroscopic quantum phenomena in condensed matter physics and has been an essential part of the quantum technologies development over the last decades. It is already used in many applications…

The interplay between superconductivity and ferromagnetism in the superconductor/ferromagnet (SC/FM) heterostructures generates many interesting physical phenomena, including spin-triplet superconductivity, superconducting order parameter…

Mesoscale and Nanoscale Physics · Physics 2022-11-17 Ranran Cai , Igor Žutić , Wei Han

Resonant proximity effect in the normal metal / insulator / diffusive ferromagnet / insulator / $s$- and d-wave superconductor (N/I/DF/I/S) junctions is studied for various regimes by solving the Usadel equation with the generalized…

Superconductivity · Physics 2009-11-11 T. Yokoyama , Y. Tanaka , A. A. Golubov

Quantum confinement of the perpendicular motion of electrons in single-crystalline metallic superconducting nanofilms splits the conduction band into a series of single-electron subbands. A distinctive feature of such a nanoscale multi-band…

Superconductivity · Physics 2015-05-28 Yajiang Chen , A. A. Shanenko , A. Perali , F. M. Peeters

The objective of the present paper is to investigate the proximity effect in junctions of superconductors with carbon nanotubes. The method is the lattice BdG equations within the Hubbard model. The proximity effect depends sensitively on…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. Stefanakis