Spin pumping from a ferromagnetic insulator into an altermagnet

C Sun, J Linder - Physical Review B, 2023 - APS
A class of antiferromagnets with spin-polarized electron bands, yet zero net magnetization,
called altermagnets, is attracting increasing attention due to their potential use in spintronics …

Valley-dependent spin transport in monolayer transition-metal dichalcogenides

Y Ominato, J Fujimoto, M Matsuo - Physical Review Letters, 2020 - APS
We study valley-dependent spin transport theoretically in monolayer transition-metal
dichalcogenides in which a variety of spin and valley physics are expected because of spin …

Finite-frequency spin susceptibility and spin pumping in superconductors with spin-orbit relaxation

MA Silaev - Physical Review B, 2020 - APS
Static spin susceptibility of superconductors with spin-orbit relaxation was calculated in the
seminal work of Abrikosov and Gor'kov [Sov. Phys. JETP 15, 752 (1962)]. Surprisingly, the …

Magnon spin current induced by triplet cooper pair supercurrents

LG Johnsen, HT Simensen, A Brataas, J Linder - Physical Review Letters, 2021 - APS
At the interface between a ferromagnetic insulator and a superconductor there is a coupling
between the spins of the two materials. We show that when a supercurrent carried by triplet …

Temperature-dependent spin transport and current-induced torques in superconductor-ferromagnet heterostructures

M Müller, L Liensberger, L Flacke, H Huebl, A Kamra… - Physical Review Letters, 2021 - APS
We investigate the injection of quasiparticle spin currents into a superconductor via spin
pumping from an adjacent ferromagnetic metal layer. To this end, we use NbN-Ni 80 Fe 20 …

Magnon-cooparons in magnet-superconductor hybrids

IV Bobkova, AM Bobkov, A Kamra… - Communications Materials, 2022 - nature.com
Generation and detection of spinful Cooper pairs in conventional superconductors has been
intensely pursued by designing increasingly complex magnet-superconductor hybrids. Here …

Giant oscillatory Gilbert damping in superconductor/ferromagnet/superconductor junctions

Y Yao, R Cai, T Yu, Y Ma, W Xing, Y Ji, XC Xie… - Science …, 2021 - science.org
Interfaces between materials with differently ordered phases present unique opportunities
for exotic physical properties, especially the interplay between ferromagnetism and …

Ferromagnetic resonance modulation in -wave superconductor/ferromagnetic insulator bilayer systems

Y Ominato, A Yamakage, T Kato, M Matsuo - Physical Review B, 2022 - APS
We investigate ferromagnetic resonance (FMR) modulation in d-wave superconductor
(SC)/ferromagnetic insulator (FI) bilayer systems theoretically. The modulation of the Gilbert …

Giant transition-state quasiparticle spin-Hall effect in an exchange-spin-split superconductor detected by nonlocal magnon spin transport

KR Jeon, JC Jeon, X Zhou, A Migliorini, J Yoon… - ACS …, 2020 - ACS Publications
Although recent experiments and theories have shown a variety of exotic transport
properties of nonequilibrium quasiparticles (QPs) in superconductor (SC)-based devices …

Spin transport between polarized Fermi gases near the ferromagnetic phase transition

T Zhang, D Oue, H Tajima, M Matsuo, H Liang - Physical Review B, 2023 - APS
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 …