Theory of the spin seebeck effect

Author: ggyv

August undefined, 2024

WebbSeebeck effect, production of an electromotive force (emf) and consequently an electric current in a loop of material consisting of at least two dissimilar conductors when two junctions are maintained at different temperatures. The conductors are commonly metals, though they need not even be solids. The German physicist Thomas Johann Seebeck … Webb24 feb. 2024 · We present a theory of the nonlinear spin Seebeck effect (SSE) in a …

[1009.0318] Theory of magnon-driven spin Seebeck effect

Webb11 jan. 2024 · Our theory shows that singular features in the magnetic-field dependence … Webb19 jan. 2016 · The spin Seebeck effect (SSE) consists in the generation of a spin current … list of cities along the mississippi river

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Webb23 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 … 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. Webb11 apr. 2024 · We investigated Andreev reflection of graphene-based … list of cities and counties in massachusetts

Evolving Strategies Toward Seebeck Coefficient Enhancement

Theory of the spin Seebeck effect in antiferromagnets

WebbAbstract. 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 … 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. list of cities and counties in mississippiWebbför 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 … list of cities and counties in michigan

"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 … " - Theory of the spin seebeck effect

Theory of the spin seebeck effect

Picosecond Spin Seebeck Effect in Magnetic Insulators

WebbAbstract. The spin Seebeck effect (SSE) refers to spin current generation in a magnetic … Webb24 feb. 2024 · We present a theory of the nonlinear spin Seebeck effect (SSE) in a ferromagnetic nanowire at cryogenic temperatures. We adopt a microscopic quantum noise model based on a collection of two-level systems. At certain positions of Pt detectors to the wire, the transverse SSE changes sign as a function of temperature and/or …

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

Webb9 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. 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 …

Webb28 sep. 2012 · The spin Seebeck effect refers to the generation of a spin voltage caused … WebbThe Seebeck effect is the electromotive force (emf) that develops across two points of …

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...

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... list of cities and counties in californiaWebb11 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 ... list of cities and municipalities in luzonWebb19 feb. 2013 · The spin Seebeck effect refers to the generation of a spin voltage caused … list of cities and parishes in louisianaWebb2 sep. 2010 · Theory of magnon-driven spin Seebeck effect. The spin Seebeck effect is … images of wainscot in bathroomsWebbTo derive a theoretical expression for the spin Seebeck coefficient one has to use a thermodynamic theory describing the transport of the magnetic moment in the ferromagnet caused by the... images of waimea canyonWebb28 sep. 2012 · The spin Seebeck effect refers to the generation of a spin voltage caused … images of wainscottWebbThe spin Seebeck effect (SSE) 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. Despite decades of research into thermoelectric materials and … list of cities and countries