Magnetization reversal in S/F/S Josephson junctions on a 3D topological insulator

Abstract

We study a magnetization reversal by an electric current pulse in a superconductor/insulating ferromagnet/superconductor Josephson junction placed on top of a 3D topological insulator. It is demonstrated that such a system is perspective for low-dissipative spintronics because of the strong spin-momentum locking in the TI surface states. This property provides an ideally strong coupling between the orbital and spin degrees of freedom thus giving a possibility of efficient reversal of the magnetic moment by current pulse with amplitude lower than the critical current, that results in strongly reduced energy dissipation. The underlying physical mechanism of the reversal is discussed. The influence of the magnetic anisotropy on the controllability of the reversal by the pulse duration is investigated. In addition, a way of a simultaneous electrical detection of the reversal is proposed.

arXiv comment8 pages, 6 figures

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Cited by in corpus (14)

• Magnetoelectric effects in Josephson junctions
• Anomalous Gilbert Damping and Duffing Features of the SFS {\boldmath ${\phi }_0$} Josephson Junction
• Locking of magnetization and Josephson oscillations at ferromagnetic resonance in ${\phi }_0$ junction under external radiation
• Long-range interaction of magnetic moments in a coupled system of S/F/S Josephson junctions with anomalous ground-state phase shift
• Hysteresis and chaos in anomalous Josephson junctions without capacitance
• Controllable magnetic states in chains of coupled phi-0 Josephson junctions with ferromagnetic weak links
• Signature of Anomalous Andreev bound states in magnetic Josephson junction of noncentrosymmetric superconductor on a topological insulator
• Magnetic eigenmodes in chains of coupled phi0-Josephson junctions with ferromagnetic weak links
• Buzdin, Shapiro and Chimera Steps in ${\phi }_0$ Josephson Junctions
• Buzdin, Shapiro and Chimera Steps in ${\phi }_0$ Josephson Junctions. II. Bifurcation, Switching, and Hysteresis
• Voltage-driven dynamics of ${\phi }_0$-S/F/S Josephson junctions chains
• Originality of resonance and locking phenomena in SFS ${\phi }_0$ Josephson junction
• Hybrid collective excitations in topological superconductor/ferromagnetic insulator heterostructures
• Anomalous phase shift and superconducting diode effect in Josephson junctions via thin films of rare-earth intermetallic magnets