Theory of the supercurrent diode effect in Rashba superconductors with arbitrary disorder

S Ilić, FS Bergeret - Physical Review Letters, 2022 - APS
We calculate the nonreciprocal critical current and quantify the supercurrent diode effect in
two-dimensional Rashba superconductors with arbitrary disorder, using the quasiclassical …

Superconducting spintronic tunnel diode

E Strambini, M Spies, N Ligato, S Ilić, M Rouco… - Nature …, 2022 - nature.com
Diodes are key elements for electronics, optics, and detection. Their evolution towards low
dissipation electronics has seen the hybridization with superconductors and the realization …

Field-free anomalous junction and superconducting diode effect in spin-split superconductor/topological insulator junctions

TH Kokkeler, AA Golubov, FS Bergeret - Physical Review B, 2022 - APS
We study the transport properties of a diffusive Josephson junction between two spin-split
superconductors (SCs) made of SC-ferromagnetic insulator bilayers on top of a three …

Superconducting spintronic heat engine

CIL Araujo, P Virtanen, M Spies… - Nature …, 2024 - nature.com
Heat engines are key devices that convert thermal energy into usable energy. Strong
thermoelectricity, at the basis of electrical heat engines, is present in superconducting spin …

Superconductor-ferromagnet hybrids for non-reciprocal electronics and detectors

Z Geng, A Hijano, S Ilić, M Ilyn, I Maasilta… - Superconductor …, 2023 - iopscience.iop.org
We review the use of hybrid thin films composed of superconductors and ferromagnets for
creating non-reciprocal electronic components and self-biased detectors of electromagnetic …

Supercurrent reversal in ferromagnetic hybrid nanowire Josephson junctions

D Razmadze, RS Souto, L Galletti, A Maiani, Y Liu… - Physical Review B, 2023 - APS
We report supercurrent transport measurements in hybrid Josephson junctions comprising
semiconducting InAs nanowires with epitaxial ferromagnetic insulator EuS and …

Interfacial control of vortex-limited critical current in type-II superconductor films

MK Hope, M Amundsen, D Suri, JS Moodera, A Kamra - Physical Review B, 2021 - APS
In a small subset of type-II superconductor films, the critical current is determined by a
weakened Bean-Livingston barrier posed by the film surfaces to vortex penetration into the …

Dynamics of two ferromagnetic insulators coupled by superconducting spin current

R Ojajärvi, FS Bergeret, MA Silaev, TT Heikkilä - Physical Review Letters, 2022 - APS
A conventional superconductor sandwiched between two ferromagnets can maintain
coherent equilibrium spin current. This spin supercurrent results from the rotation of odd …

Magnon currents excited by the spin Seebeck effect in ferromagnetic EuS thin films

MX Aguilar-Pujol, S Catalano, C González-Orellana… - Physical Review B, 2023 - APS
A magnetic insulator is an ideal platform to propagate spin information by exploiting magnon
currents. However, until now, most studies have focused on Y 3 Fe 5 O 12 (YIG) and a few …

Quasiparticle density of states and triplet correlations in superconductor/ferromagnetic-insulator structures across a sharp domain wall

A Hijano, VN Golovach, FS Bergeret - Physical Review B, 2022 - APS
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 …