Theory of the spin seebeck effect

Webb13 apr. 2024 · This paper presents the mechanism of electrical conductivity in nanocomposite polyacrylonitrile (PAN) fibers modified with silver nanoparticles (AgNPs). Fibers were formed by the wet-spinning method. The nanoparticles were introduced into the polymer matrix as a result of direct synthesis in the spinning solution from which the … WebbThe spin-Seebeck effect together with a high spin thermoelectric conversion efficiency has been regarded as one of the core topics in spin caloritronics. ... eight-membered rings to investigate the thermal spin currents and thermoelectric properties by using density functional theory combined with the non-equilibrium Green's function method.

[1209.6407] Theory of the Spin Seebeck Effect - arXiv.org

Webb11 apr. 2024 · We investigated Andreev reflection of graphene-based … Webb13 apr. 2024 · Double perovskites with the general formula A2BB′O6 have been the subject of several studies for of their magnetic properties. In this work, Ba2NiMoO6 was synthesized using the solid-state reaction method. At room temperature, the structural refinement reveals a cubic crystal, space group Fm-3 m, with a = 7.89 Å. The magnetic, … dancing coffee cup gif https://itstaffinc.com

Evolving Strategies Toward Seebeck Coefficient Enhancement

Webb19 jan. 2016 · The spin Seebeck effect (SSE) consists in the generation of a spin current … Webb3 sep. 2012 · We theoretically investigate the longitudinal spin Seebeck effect, in which the spin current is injected from a ferromagnet into an attached nonmagnetic metal in a direction parallel to the temperature gradient. Webb28 apr. 2024 · We demonstrate that a considerable spin Seebeck effect can develop when the molecule exhibits an easy-plane magnetic ... C. W. J. & Staring, A. A. M. Theory of the thermopower of a quantum dot ... birght767

Geometry of the longitudinal spin Seebeck effect.

Category:Phys. Rev. B 103, 054436 (2024) - Cryogenic spin Seebeck effect

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Theory of the spin seebeck effect

Magnon spin-current theory for the longitudinal spin-Seebeck effect

Webb11 apr. 2024 · Fig. 4: Quantum Mpemba effect in interacting integrable and non-integrable spin chains. We plot the time evolution of the entanglement asymmetry Δ S A ( t ) after preparing the spin chain at t ... Webb26 juni 2024 · The longitudinal spin Seebeck effect (LSSE) consists in the generation of a spin current parallel to a temperature gradient in a magnetic material. The LSSE has only been measured unequivocally in magnetic insulators because in metallic films it is contaminated by the anomalous Nernst effect (ANE). Here we report theoretical and …

Theory of the spin seebeck effect

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Webb5 apr. 2024 · Here we present a theory for the diffusive magnonic spin current generated in a magnetic insulator layer by a thermal gradient in the spin Seebeck effect. We show that the formulations describing magnonic perturbation using a position-dependent chemical potential and those using a magnon accumulation are completely equivalent. Webb28 sep. 2012 · The spin Seebeck effect refers to the generation of a spin voltage caused by a temperature gradient in a ferromagnet, which enables the thermal injection of spin currents from the ferromagnet into an attached nonmagnetic metal over a macroscopic scale of several millimeters.

Webb19 feb. 2013 · Theory of the spin Seebeck effect 1. Introduction Generation of electromotive force by a temperature gradient has been known for many years as the Seebeck... 2. Spin current The spin Seebeck effect is a long-range thermal injection of … Webb24 juli 2024 · Here, we reveal the initial steps of this spin Seebeck effect with <27 fs time resolution using terahertz spectroscopy on bilayers of ferrimagnetic yttrium iron garnet and platinum. Upon...

Webb1 apr. 2024 · Spin Seebeck effect Introduction The major goal of spintronics is the manipulation of the spin current. The spin current can be created in both metallic and insulating materials through different mechanisms such as, for example, the presence of a temperature gradient. WebbThe spin Seebeck effect refers to the generation of a spin voltage caused by a …

Webb9 juli 2013 · Our linear-response approach can explain the sign reversal of the spin …

Webb24 feb. 2024 · We present a theory of the nonlinear spin Seebeck effect (SSE) in a … dancing coachWebb9 juli 2013 · Abstract We theoretically investigate the longitudinal spin Seebeck effect, in which the spin current is injected from a ferromagnet into an attached nonmagnetic metal in a direction parallel to the temperature gradient. birgi god of storytelling cedhWebbAbstract. The spin Seebeck effect (SSE) refers to spin current generation in a magnetic … dancing coffee beanWebb14 apr. 2024 · We report on spin ratchet currents driven by terahertz radiation electric fields in a Co/Pt magnetic metamaterial formed by triangle-shaped holes forming an antidot lattice and subjected to an external magnetic field applied perpendicularly to the metal film plane. We show that for a radiation wavelength substantially larger than the period of the … dancing coffee cupWebb11 apr. 2024 · We investigated Andreev reflection of graphene-based normal/superconductor single and double junctions under the modulation of non-resonant circularly polarized light, staggered potential, and exchange field. dancing coffee gifWebb9 okt. 2008 · The present study has also shown that, in combination with the ISHE, the … dancing club nycWebb2 sep. 2010 · Theory of magnon-driven spin Seebeck effect. The spin Seebeck effect is … dancing coffins book