Quantum Spin Fluctuations as a Source of Long-Range Proximity Effects in Diffusive Ferromagnet-Superconductor Structures

Abstract

We show that quantum spin fluctuations in inhomogeneous ferromagnets drastically affect the Andreev reflection of electrons and holes at a ferromagnet-superconductor interface. As a result a strong long-range proximity effect appears, associated with electron-hole spin triplet correlations and persisting on a lenght scale typical for non-magnetic materials, but anomalously large for ferromagnets.

4 pages, 2 figures

Cited by in corpus (135)

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• A spin triplet supercurrent through the half-metallic ferromagnet CrO2
• Spin-polarized supercurrents for spintronics: a review of current progress
• Symmetry and Topology in Superconductors - Odd-frequency pairing and edge states -
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• Theory of Half Metal-Superconductor Heterostructures
• Ferromagnet-Superconductor Hybrids
• Odd triplet superconductivity in superconductor/ferromagnet multilayered structures
• Theory of the proximity effect in junctions with unconventional superconductors
• Odd-frequency superconductivity
• Josephson current in superconductor-ferromagnet structures with a nonhomogeneous magnetization
• Superconducting phase coherent electron transport in proximity conical ferromagnets
• Symmetries of Pairing Correlations in Superconductor-Ferromagnet Nanostructures
• Odd-frequency pairing in normal metal/superconductor junctions
• Induced Ferromagnetism due to Superconductivity in Superconductor-Ferromagnet structures
• Josephson Effect due to Odd-frequency Pairs in Diffusive Half Metals
• Triplet proximity effect in FSF trilayers
• Polar Kerr Effect as Probe for Time-Reversal Symmetry Breaking in Unconventional Superconductors
• Andreev reflection from non-centrosymmetric superconductors and Majorana bound state generation in half-metallic ferromagnets
• Enhancement of the superconducting transition temperature in Nb/Permalloy bilayers by controlling the domain state of the ferromagnet
• Optimization of spin-triplet supercurrent in ferromagnetic Josephson junctions
• Odd-frequency Pairs and Josephson Current through a Strong Ferromagnet
• Manifestation of the odd-frequency spin-triplet pairing state in diffusive ferromagnet / superconductor junctions
• General Boundary Conditions for Quasiclassical Theory of Superconductivity in the Diffusive Limit: Application to Strongly Spin-polarized Systems
• Manifestation of triplet superconductivity in superconductor-ferromagnet structures
• Josephson effect due to the long-range odd-frequency triplet superconductivity in SFS junctions with Neel domain walls
• Inverse proximity effect in superconductor-ferromagnet bilayer structures
• Observation of Periodic pi-Phase Shifts in Ferromagnet-Superconductor Multilayers
• Interplay of Magnetic and Superconducting Proximity Effects in FSF Trilayers
• Critical Current Behavior in Josephson Junctions with the Weak Ferromagnet PdNi
• Long range spin supercurrents in ferromagnetic CrO${}_2$ using a multilayer contact structure
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• Effect of an inhomogeneous exchange field on the proximity effect in disordered superconductor-ferromagnet hybrid structures
• Supercurrent in Long SFFS Junctions with Antiparallel Domain Configuration
• Anomalous Josephson current through a ferromagnetic trilayer junction
• Ferromagnetic Josephson junction with precessing magnetization
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• Supercurrent Diode Effect, Spin Torques, and Robust Zero-Energy Peak in Planar Half-Metallic Trilayers
• Odd-frequency superconducting states with different types of Meissner response: Problem of coexistence
• Switching superconductivity in S/F bilayers by multiple-domain structures
• Giant thermoelectric effects in a proximity-coupled superconductor-ferromagnet device
• Josephson coupling through ferromagnetic heterojunctions with noncollinear magnetizations
• Remotely induced magnetism in a normal metal using a superconducting spin-valve
• Triplet proximity effect in superconducting heterostructures with a half-metallic layer
• Creation of equal-spin triplet superconductivity at the Al/EuS interface
• Vanishing Meissner effect as a hallmark of in-plane FFLO instability in superconductor - ferromagnet layered systems
• Odd triplet superconductivity in a superconductor/ferromagnet structure with a spiral magnetic structure
• Local density of states in superconductor-strong ferromagnet structures
• Transfer-matrix description of heterostructures involving superconductors and ferromagnets
• Field-free Josephson diode effect in altermagnet/normal metal/altermagnet junctions
• Superharmonic long-range triplet current in a diffusive Josephson junction
• Unconventional Superconductivity in Double Quantum Dots
• Quantum limit of the triplet proximity effect in half-metal - superconductor junctions
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• Resonant proximity effect in normal metal / diffusive ferromagnet / superconductor junctions
• Critical supercurrent and ${\varphi }_0$ state for probing a persistent spin helix
• Half-Metallic Superconducting Triplet Spin MultiValves
• Long-range odd triplet superconductivity in SF structures with Neel walls
• Spin Triplet Supercurrent in Co/Ni Multilayer Josephson Junctions with Perpendicular Anisotropy
• Ferromagnetic Materials for Josephson π Junctions
• Josephson Junctions with a synthetic antiferromagnetic interlayer
• Exceptional odd-frequency pairing in non-Hermitian superconducting systems
• The Majorana STM as a perfect detector of odd-frequency superconductivity
• Andreev reflection at half-metal-superconductor interfaces with non-uniform magnetization
• Nematic versus ferromagnetic spin filtering of triplet Cooper pairs in superconducting spintronics
• Supra-oscillatory critical temperature dependence of Nb-Ho bilayers
• Magnetic moment manipulation by triplet Josephson current
• Crossed Andreev reflection at ferromagnetic domain walls
• Dephasing-enabled triplet Andreev conductance
• Tuning odd triplet superconductivity by spin pumping
• Superconducting spin valves controlled by spiral re-orientation in B20-family magnets
• Magnetic control of superconducting heterostructures using compensated antiferromagnets
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• Phase Diagrams of Ferromagnet-Superconductor Multilayers with Misaligned Exchange Fields
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• Triplet superconductivity in a ferromagnetic vortex
• Area-dependence of spin-triplet supercurrent in ferromagnetic Josephson junctions
• Robustness of Spin-Triplet Pairing and Singlet-Triplet Pairing Crossover in Superconductor/Ferromagnet Hybrids
• Josephson current in ballistic heterostructures with spin-active interfaces
• Theory of Andreev Bound States in S-F-S Junctions and S-F Proximity Devices
• Floquet engineering bulk odd-frequency superconducting pairs
• Unconventional superconductivity from magnetism in transition metal dichalcogenide
• Andreev conductance of a domain wall
• Odd-frequency superconductivity near a magnetic impurity in a conventional superconductor
• Suppression of odd-frequency pairing by phase-disorder in a nanowire coupled to Majorana zero modes
• Odd triplet superconductivity induced by the moving condensate
• Superconductivity in the Bi/Ni bilayer
• Disorder-robust $p$-wave pairing with odd frequency dependence in normal metal-conventional superconductor junctions
• Theory of Fulde-Ferrell-Larkin-Ovchinnikov state of superconductors with and without inversion symmetry: Hubbard model approach
• Spin-triplet supercurrent in Josephson junctions containing a synthetic antiferromagnet with perpendicular magnetic anisotropy
• Long-Range triplet Josephson Current Modulated by the Interface Magnetization Texture
• Observation of Anomalous Magnetic Moments in Superconducting Bi/Ni Bilayer
• Phase-tunable electron transport assisted by odd-frequency Cooper pairs in topological Josephson junctions
• Spin-memory loss at Co/Ru interfaces
• Enhanced triplet Andreev reflection off a domain wall in a lateral geometry
• Crossover between short and long range proximity effects in SFS junctions with Ni-based ferromagnets
• Triple-gap superconductivity of MgB2 - (La,Sr)MnO3 composite. Which of the gaps is proximity induced?
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• Controllable odd-frequency Cooper pairs in multi-superconductor Josephson junctions
• Triplet supercurrent in ferromagnetic Josephson junctions by spin injection
• Impurity-assisted Andreev reflection at a spin-active half-metal-superconductor interface
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• Conductance of a junction between a normal metal and a Berezinskii superconductor
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• Anomalous supercurrent modulated by interfacial magnetizations in Josephson junctions with ferromagnetic bilayers
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• Classification of magnetic inhomogeneities and $0-\pi$ transitions in superconducting-magnetic hybrid structures
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• In situ transport characterization of magnetic states in Nb/Co superconductor/ferromagnet heterostructures
• The unusual distribution of spin-triplet supercurrents in disk-shaped Josephson junctions
• Signatures of Long-Range Spin-Triplet Component in Andreev Interferometer
• Magnetization near a constriction between BCS superconductors by spin-dependent tunneling
• Phase separation and proximity effects in itinerant ferromagnet-superconductor heterostructures