Thermal, electric and spin transport in superconductor/ferromagnetic-insulator structures

TT Heikkilä, M Silaev, P Virtanen… - Progress in Surface …, 2019 - Elsevier
A ferromagnetic insulator (FI) attached to a conventional superconductor (S) changes
drastically the properties of the latter. Specifically, the exchange field at the FI/S interface …

Zero-field polarity-reversible Josephson supercurrent diodes enabled by a proximity-magnetized Pt barrier

KR Jeon, JK Kim, J Yoon, JC Jeon, H Han, A Cottet… - Nature Materials, 2022 - nature.com
Simultaneous breaking of inversion and time-reversal symmetries in a conductor yields a
non-reciprocal electronic transport,–, known as the diode or rectification effect, that is, low …

Orbital Hanle Magnetoresistance in a Transition Metal

G Sala, H Wang, W Legrand, P Gambardella - Physical Review Letters, 2023 - APS
The Hanle magnetoresistance is a telltale signature of spin precession in nonmagnetic
conductors, in which strong spin-orbit coupling generates edge spin accumulation via the …

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 …

Coexistence of superconductivity and spin-splitting fields in superconductor/ferromagnetic insulator bilayers of arbitrary thickness

A Hijano, S Ilić, M Rouco, C González-Orellana… - Physical Review …, 2021 - APS
Ferromagnetic insulators (FI) can induce a strong exchange field in an adjacent
superconductor (S) via the magnetic proximity effect. This manifests as spin splitting of the …

Large enhancement of spin pumping due to the surface bound states in normal metal–superconductor structures

MA Silaev - Physical Review B, 2020 - APS
We show that the spin pumping from ferromagnetic insulator into the adjacent metallic spin
sink can be strongly stimulated by the superconducting correlations. The key physical …

Orbital angular momentum of Bloch electrons: equilibrium formulation, magneto-electric phenomena, and the orbital Hall effect

R Burgos Atencia, A Agarwal, D Culcer - Advances in Physics: X, 2024 - Taylor & Francis
The investigation of orbital angular momentum (OAM) of delocalised Bloch electrons has
advanced our understanding of magnetic, transport, and optical phenomena in crystals …

Mechanism of paramagnetic spin Seebeck effect

K Oyanagi, S Takahashi, T Kikkawa, E Saitoh - Physical Review B, 2023 - APS
We have theoretically investigated the spin Seebeck effect (SSE) in a normal metal
(NM)/paramagnetic insulator (PI) bilayer system. Through a linear response approach, we …

Strong interfacial exchange field in a heavy metal/ferromagnetic insulator system determined by spin Hall magnetoresistance

JM Gomez-Perez, XP Zhang, F Calavalle, M Ilyn… - Nano Letters, 2020 - ACS Publications
Spin-dependent transport at heavy metal/magnetic insulator interfaces is at the origin of
many phenomena at the forefront of spintronics research. A proper quantification of the …

Paramagnetic spin Hall magnetoresistance

K Oyanagi, JM Gomez-Perez, XP Zhang, T Kikkawa… - Physical Review B, 2021 - APS
We report the observation of the spin Hall magnetoresistance (SMR) in a paramagnetic
insulator. By measuring the transverse resistance in a Pt/Gd 3 Ga 5 O 12 (GGG) system at …