English
Related papers

Related papers: Spin Transport in Half-Metallic Ferromagnet-Superc…

200 papers

The exchange interaction at interfaces between superconductors (SCs) and ferromagnets (FMs) has been a central topic in condensed matter physics for many decades, starting with the prediction of exotic phases such as the…

Superconductivity · Physics 2025-12-09 Tao Yu , Xi-Han Zhou , Gerrit E. W. Bauer , Irina Bobkova

Using fully self consistent methods, we study spin transport in realistic, fabricable experimental spin valve systems consisting of two magnetic layers, a superconducting layer, and a spacer normal layer between the ferromagnets. Our…

Superconductivity · Physics 2018-05-09 Evan Moen , Oriol T. Valls

We study dissipationless spin transport induced by a charge supercurrent in a monolayer van der Waals superconductor under the applied magnetic field and in a bilayer superconductor/ferromagnet (S/F) heterostructure with no external field.…

Superconductivity · Physics 2024-09-12 G. A. Bobkov , A. M. Bobkov , I. V. Bobkova

The spin current in the Josephson junction as a weak link (interface) between misorientated triplet superconductors is investigated theoretically for the models of the order parameter in $UPt_{3}$. Green functions of the system are obtained…

Superconductivity · Physics 2009-03-02 G. Rashedi , Yu. A. Kolesnichenko

Josephson junctions containing three ferromagnetic layers with non-collinear magnetizations between adjacent layers carry spin-triplet supercurrent under certain conditions. The signature of the spin-triplet supercurrent is a relatively…

Superconductivity · Physics 2020-07-29 Victor Aguilar , Demet Korucu , Joseph A. Glick , Reza Loloee , W. P. Pratt , Norman O. Birge

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 study theoretically the effect of spin relaxation on the spin transport in a ferromagnet/superconductor(FM/SC) tunnel junction. When spin-polarized electrons are injected into the SC from the FM, nonequilibrium spin accumulation as well…

Superconductivity · Physics 2009-11-07 T. Yamashita , S. Takahashi , H. Imamura , S. Maekawa

We study spin and charge diffusion in metallic-ferromagnet/topological-insulator junctions. The coupled diffusion equations are derived perturbatively with respect to the strength of the interlayer tunneling. We calculate spin accumulation…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Takehito Yokoyama , Yaroslav Tserkovnyak

We theoretically study the spin current between two polarized Fermi gases with repulsive interactions near the itinerant ferromagnetic phase transition. We consider a two-terminal model where the left reservoir is fixed to be fully…

Quantum Gases · Physics 2023-10-16 Tingyu Zhang , Daigo Oue , Hiroyuki Tajima , Mamoru Matsuo , Haozhao Liang

We study the subgap spin and charge transport in normal metal-ferromagnet-superconductor trilayers induced by bias voltage and/or magnetization precession. Transport properties are discussed in terms of time-dependent scattering theory. We…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Hans Joakim Skadsem , Arne Brataas , Jan Martinek , Yaroslav Tserkovnyak

A theory of spin-polarized electron transport in ferromagnet/semiconductor heterostructures, based on a unified semiclassical description of ballistic and diffusive transport in semiconductor structures, is developed. The aim is to provide…

Materials Science · Physics 2009-11-11 R. Lipperheide , U. Wille

The physics of the "Pi" phase shift in ferromagnetic Josephson junctions enables a range of applications for spin-electronic devices and quantum computing. In this respect our research is devoted to the evaluation of the best materials for…

Materials Science · Physics 2008-07-08 Samanta Piano

We discuss a model of Ferromagnet / Superconductor / Ferromagnet (FSF) double junction in which the quasiparticles are not in equilibrium with the condensate in a region of the superconductor containing the two FS contacts. The role of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. Mélin

Spin-triplet Cooper pairs induced in ferromagnets form the centrepiece of the emerging field of superconducting spintronics [1,2]. Usually the focus of research is on the spin polarization of the triplets, potentially enabling…

Mesoscale and Nanoscale Physics · Physics 2018-02-07 Kaveh Lahabi , Morten Amundsen , Jabir Ali Ouassou , Ewout Beukers , Menno Pleijster , Jacob Linder , Paul Alkemade , Jan Aarts

We present a systematic first-principles investigation of linear-response spin-dependent quantum transport in the van der Waals ferromagnets Fe$_3$GeTe$_2$, Fe$_4$GeTe$_2$, Fe$_5$GeTe$_2$, and Fe$_3$GaTe$_2$. Using density functional theory…

Materials Science · Physics 2025-09-09 Anita Halder , Declan Nell , Akash Bajaj , Stefano Sanvito , Andrea Droghetti

We report on the fabrication of Nb/AlO_x/Pd_{0.82}Ni_{0.18}/Nb superconductor/insulator/ferromagnetic metal/superconductor (SIFS) Josephson junctions with high critical current densities, large normal resistance times area products, high…

Superconductivity · Physics 2011-08-05 G. Wild , C. Probst , A. Marx , R. Gross

We have experimentally and theoretically investigated the spin injection/detection polarization in a Si-based ferromagnetic tunnel junction with an amorphous MgO layer, and demonstrated that the experimental features of the spin…

Applied Physics · Physics 2024-03-22 Baisen Yu , Shoichi Sato , Masaaki Tanaka , Ryosho Nakane

We present a description of spin-polarized transport in mesoscopic ferromagnet-superconductor (F/S) systems, where the transport is diffusive, and the interfaces are transparent. It is shown that the spin reversal associated with Andreev…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 F. J. Jedema , B. J. van Wees , B. H. Hoving , A. T. Filip , T. M. Klapwijk

We study spin-dependent electronic transport across ferromagnet/superconductor ballistic junctions modeled using tight-binding Hamiltonians with s, p and d orbitals and material-specific parameters. We show that by accurately modeling the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. Taddei , S. Sanvito , C. J. Lambert

This article reviews recent advances in low-temperature electronic thermal transport properties of thermally biased superconductor heterostructures focusing on the two-terminal transport. Since the last decade, ferromagnetism has been…

Superconductivity · Physics 2025-04-01 Paramita Dutta