Evidence for thermal spin transfer torque

Abstract

Large heat currents are obtained in Co/Cu/Co spin valves positioned at the middle of Cu nanowires. The second harmonic voltage response to an applied current is used to investigate the effect of the heat current on the switching of the spin valves. Both the switching field and the magnitude of the voltage response are found to be dependent on the heat current. These effects are evidence for a thermal spin transfer torque acting on the magnetization and are accounted for by a thermodynamic model in which heat, charge and spin currents are linked by Onsager reciprocity relations.

4 pages, 4 figures

References in corpus (5)

• Spin-transfer-driven ferromagnetic resonance of individual nanomagnets
• Thermal Spin-Transfer Torques in Magnetoelectronic Devices
• Thermoelectric Effects in Magnetic Nanostructures
• Thermoelectric spin transfer in textured magnets
• Magnetocaloritronic nanomachines

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• Theory of the Spin Seebeck Effect
• Thermally driven spin injection from a ferromagnet into a non-magnetic metal
• All-magnonic spin-transfer torque and domain wall propagation
• Local charge and spin currents in magnetothermal landscapes
• Cooling and heating with electron spins: Observation of the spin Peltier effect
• Magnetic texture based magnonics
• Spin transfer torque on magnetic insulators
• Observation of the spin Seebeck effect in epitaxial Fe3O4 thin films
• Two types of all-optical magnetization switching mechanisms using femtosecond laser pulses
• Tunneling magneto thermo power in magnetic tunnel junction nanopillars
• Thermal spin-transfer in Fe-MgO-Fe tunnel junctions
• Thermomagnonic spin transfer and Peltier effects in insulating magnets
• Magnon-drag thermopile
• Spin-dependent Seebeck coefficients of Ni_{80}Fe_{20} and Co in nanopillar spin valves
• Giant thermal spin torque assisted magnetic tunnel junction switching
• Magnetothermopower and magnetoresistance of single Co-Ni/Cu multilayered nanowires
• Magnons and Phonons Optically Driven Out of Local Equilibrium in a Magnetic Insulator
• Thermoelectric performance of spin Seebeck effect in Fe3O4/Pt-based thin film heterostructures
• Thermal spin current and magnetothermopower by Seebeck spin tunneling
• Self-consistent calculation of spin transport and magnetization dynamics
• Thermal spin transport and spin-orbit interaction in ferromagnetic/non-magnetic metals
• Thermally-driven spin torques in layered magnetic insulators
• Theory of spin transport induced by the temperature gradient
• Thermographic measurements of spin-current-induced temperature modulation in metallic bilayers
• Thermal engineering in low-dimensional quantum devices: a tutorial review of nonequilibrium Green's function methods
• Spin-dependent thermoelectric effects in transport through a nanoscopic junction involving spin impurity
• Tunnel magneto-Seebeck effect
• Magnonic spin-transfer torque MRAM with low power, high speed, and error-free switching
• Enhancement of thermovoltage and tunnel magneto-Seebeck effect in CoFeB based magnetic tunnel junctions by variation of the MgAl${}_2$O${}_4$ and MgO barrier thickness
• Current-induced spin polarization of a magnetized two-dimensional electron gas with Rashba spin-orbit interaction
• Thermally induced spin-transfer torques in superconductor/ferromagnet bilayers
• Microscopic calculation of thermally-induced spin-transfer torques
• The inverse thermal spin-orbit torque and the relation of the Dzyaloshinskii-Moriya interaction to ground-state energy currents
• Control of magnetization dynamics by spin Nernst torque
• Impact of intergrain spin transfer torques due to huge thermal gradients on the performance of heat assisted magnetic recording
• Comparison between thermal and current driven spin-transfer torque in nanopillar metallic spin valves
• Current Flow in Uniform Ferromagnets: Bulk and Surface Heating Rates
• Thermally-induced spin polarization in a magnetized two-dimensional electron gas with Rashba spin-orbit interaction
• Thermal Creation of Electron Spin Polarization in n-Type Silicon
• Monopoles in ferromagnetic metals
• Nanoscale control of heat and spin conductance in artificial spin chains
• Current-induced magnetization reversal in pseudo spin valves in current-in-plane configuration