Thermoelectric effects in superconductor-ferromagnet tunnel junctions on europium sulfide

Abstract

We report on large thermoelectric effects in superconductor-ferromagnet tunnel junctions in proximity contact with the ferromagnetic insulator europium sulfide. The combination of a spin-splitting field and spin-polarized tunnel conductance in these systems breaks the electron-hole symmetry and leads to spin-dependent thermoelectric currents. We show that the exchange splitting induced by the europium sulfide boosts the thermoelectric effect in small applied fields and can therefore eliminate the need to apply large magnetic fields, which might otherwise impede applications in thermometry or cooling.

References in corpus (12)

• A spin triplet supercurrent through the half-metallic ferromagnet CrO2
• Nonlocal Thermoelectric Effects and Nonlocal Onsager Relations in a Three-Terminal Proximity-Coupled Superconductor-Ferromagnet Device
• Micrometre-scale refrigerators
• Spin Imbalance and Spin-Charge Separation in a Mesoscopic Superconductor
• Long-range spin-polarized quasiparticle transport in mesoscopic Al superconductors with a Zeeman splitting
• Spin-Resolved Tunneling Studies of the Exchange Field in EuS/Al Bilayers
• Spin-polarized quasiparticle transport in exchange-split superconducting aluminum on europium sulfide
• Long-range spin and charge accumulation in mesoscopic superconductors with Zeeman splitting
• Long-range spin imbalance in mesoscopic superconductors under a Zeeman splitting
• Fermi-liquid effects in the gapless state of marginally thin superconducting films
• Electron-hole imbalance and large thermoelectric effect in superconducting hybrids with spin-active interfaces
• Non-equilibrium spin transport in Zeeman-split superconductors

Cited by in corpus (44)

• Colloquium: Nonequilibrium effects in superconductors with a spin-splitting field
• Thermal, electric and spin transport in superconductor/ferromagnetic-insulator structures
• Scalable Majorana vortex modes in iron-based superconductors
• Hybrid Thermal Machines: Generalized Thermodynamic Resources for Multitasking
• Spin splitting induced in a superconductor by an antiferromagnetic insulator
• A superconducting nonlinear thermoelectric heat engine
• Superconductivity near a magnetic domain wall
• Phase-tunable thermoelectricity in a Josephson junction
• Nonlocal thermoelectricity in a topological Andreev interferometer
• Superconductor-ferromagnet hybrids for non-reciprocal electronics and detectors
• Nonlocal thermoelectric engines in hybrid topological Josephson junctions
• Thermally induced spin-transfer torques in superconductor/ferromagnet bilayers
• Nonlocal thermoelectric effects in high-field superconductor-ferromagnet hybrid structures
• On-Chip Cooling by Heating with Superconducting Tunnel Junctions
• Flux flow spin Hall effect in type-II superconductors with spin-splitting field
• The inverse proximity effect in strong ferromagnet-superconductor structures
• Electron refrigeration in hybrid structures with spin-split superconductors
• Thermoelectricity carried by proximity-induced odd-frequency pairing in ferromagnet/superconductor junctions
• Superconductivity provides a giant enhancement to the spin battery effect
• Current rectification in junctions with spin-split superconductors
• Thermoelectric detection of Andreev states in unconventional superconductors
• Spin-flip Enhanced Thermoelectricity in Superconductor-Ferromagnet Bilayers
• Noise effects in the nonlinear thermoelectricity of a Josephson junction
• Magnetic proximity effect in superconductor/ferromagnet van der Waals heterostructures: dependence on the number of superconducting monolayers
• Observation of magnetic state dependent thermoelectricity in superconducting spin valves
• ${\theta }_0$ thermal Josephson junction
• Thermally induced spin torque and domain wall motion in superconductor/antiferromagnetic insulator bilayers
• Nonlocal thermoelectricity in quantum wires as a signature of Bogoliubov-Fermi points
• Thermoelectric signatures of order-parameter symmetries in iron-based superconducting tunnel junctions
• Controllable supercurrent in mesoscopic superconductor-normal metal-ferromagnet crosslike Josephson structures
• Superconducting Spintronic Heat Engine
• Complete magnetic control over the superconducting thermoelectric effect
• Phase-controlled spin and charge currents in superconductor-ferromagnet hybrids
• Quantum thermocouples: nonlocal conversion and control of heat in nanostructures
• Magnon influence on the superconducting density of states in superconductor$-$ferromagnetic-insulator bilayers
• Yu-Shiba-Rusinov bands in superconductors in contact with a magnetic insulator
• Bipolar thermoelectrical SQUIPT (BTSQUIPT)
• Inverse proximity effect in thin-film superconductor/magnet heterostructures with metallic and insulating magnets
• Inverse spin-Hall effect and spin-swapping in spin-split superconductors
• Thermalization of hot electrons via interfacial electron-magnon interaction
• Triplet correlations in superconductor/antiferromagnet heterostructures: dependence on type of antiferromagnetic ordering
• Spontaneous symmetry breaking-induced thermospin effect in superconducting tunnel junctions
• Thermoelectric response of Josephson junction: from ballistic to disordered
• Evidence for spin-dependent energy transport in a superconductor