Theory of the spin seebeck effect

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August undefined, 2024

Webb28 sep. 2012 · The spin Seebeck effect refers to the generation of a spin voltage caused … 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 …

[1009.0318] Theory of magnon-driven spin Seebeck effect

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 ... Webb9 okt. 2008 · The present study has also shown that, in combination with the ISHE, the … the park hotel teddington uk

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

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 … 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. Webb12 jan. 2024 · By taking advantage of the fact that the SSE signal in our devices is typically contaminated with the anomalous Nernst effect (ANE), we show that the total thermo-voltage obtained from our devices can be enhanced by the significant ANE signals exhibited by the Co and Fe spin detectors. shuttles from las vegas airport

Theory of the spin Seebeck effect - PubMed

Evolving Strategies Toward Seebeck Coefficient Enhancement

Webb24 jan. 2014 · We derive expressions for the efficiency and figure of merit of two spin caloritronic devices based on the spin Seebeck effect (SSE), i.e. the generation of spin currents by a temperature... Webb14 juni 2010 · Abstract. The spin Seebeck effect is a spin-motive force generated by a … shuttles from las vegas nv to laughlin nvWebbför 2 dagar sedan · In non-spin-degenerate TE materials, spin provides a new dimension … shuttles from jfk to manhattan hotels

"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. " - Theory of the spin seebeck effect

Theory of the spin seebeck effect

Observation of the spin Seebeck effect Nature

Webb14 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 … Webb1 sep. 2010 · The spin-Seebeck effect (SSE) in ferromagnetic metals and insulators has been investigated systematically by means of the inverse spin-Hall effect (ISHE) in paramagnetic metals. The SSE...

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WebbThe Seebeck effect is the electromotive force (emf) that develops across two points of … Webbför 2 dagar sedan · In non-spin-degenerate TE materials, spin provides a new dimension for the enhancement of the S. (32) There are four main ways of spin caloritronic effects that have been applied to enhance the S: (33) magnon drag, paramagnon drag, spin entropy and spin fluctuation (SF). The spin Seebeck effect (SSE) provides a new dimension toward S …

Webb10 apr. 2024 · We report on the single-molecule electronic and thermoelectric properties of strategically chosen anthracene-based molecules with anchor groups capable of binding to noble metal substrates, such as gold and platinum. Specifically, we study the effect of different anchor groups, as well as quantum interference, on the electric conductance … Webb11 apr. 2024 · We investigated Andreev reflection of graphene-based …

Webb1 juli 2024 · To clearly show how SSE occurs in BMS, we study the thermal spin transport (TST) characters of magnetic MoS 2 nanotube (NT) using first-principles density function theory (DFT) and non-equilibrium Green’s function (NEGF) methods. Controlling synthesis of MoS 2 NT is already a proven technique [9], and various field-effect transistors based … Webb14 apr. 2024 · We report on spin ratchet currents driven by terahertz radiation electric …

Webb19 jan. 2016 · The spin Seebeck effect (SSE) consists in the generation of a spin current …

WebbSpin Seebeck effect In 2008, physicists discovered the Spin Seebeck effect (SSE). This effect refers to the generation of a spin voltage caused by a temperature gradient in a ferromagnet. This gradient enables the thermal injection of spin currents from the ferromagnet into a nonmagnetic metal. shuttles from las vegas airport to luxorWebb11 jan. 2024 · Our theory shows that singular features in the magnetic-field dependence … shuttles from iah to downtown houstonWebb19 feb. 2013 · The spin Seebeck effect refers to the generation of a spin voltage caused … the park hotel tenby reviewsWebb15 okt. 2024 · The explicit treatment of the magnon-phonon coupling within the Boltzmann approach allows us to calculate the low-temperature magnetic-field dependence of the spin-Seebeck voltage. Within the Boltzmann theory we find that this magnetic field dependence shows similar features as found by Flebus et al. [ Phys. Rev. B 95, 144420 … shuttles from las vegas airport to laughlinWebb23 mars 2024 · Device miniaturization and low-energy dissipation are two urgent requirements in future spintronics devices. The narrowest zigzag graphene nanoribbons (ZGNRs), which are composed of just two coupled carbon-atom chains connected with carbon tetragons, are promising candidates that meet both of the above requirements … shuttles from laguardia to manhattanWebbAbstract. The spin Seebeck effect (SSE) refers to spin current generation in a magnetic insulator/non-magnetic metal heterostructure due to a thermal gradient and most SSE experiments typically use an electric current as heat source. This study uses Terahertz (THz) time-domain emission spectroscopy where a femtosecond laser induces a … shuttles from laguardia to times squareWebb24 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... shuttles from las vegas airport to hotel