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Related papers: Thermal Spin-Transfer Torques in Magnetoelectronic…

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The angular dependence of the thermal transport in insulating or conducting ferromagnets is derived on the basis of the Onsager reciprocity relations applied to a magnetic system. It is shown that the angular dependence of the temperature…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 J. -E. Wegrowe , H. -J. Drouhin , D. Lacour

We perform 3D micromagnetic simulations of current-driven magnetization dynamics in nanoscale exchange biased spin-valves that take account of (i) back action of spin-transfer torque on the pinned layer, (ii) non-linear damping and (iii)…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 G. Siracusano , G. Finocchio , I. N. Krivorotov , L. Torres , G. Consolo , B. Azzerboni

We derive diffusion equations, which describe spin-charge coupled transport on the helical metal surface of a three-dimensional topological insulator. The main feature of these equations is a large magnitude of the spin-charge coupling,…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 A. A. Burkov , D. G. Hawthorn

We theoretically propose a nonreciprocal spin Seebeck effect, i.e., nonreciprocal spin transport generated by a temperature gradient, in antiferromagnetic insulators with broken inversion symmetry. We find that nonreciprocity in…

Mesoscale and Nanoscale Physics · Physics 2018-07-16 Rina Takashima , Yuki Shiomi , Yukitoshi Motome

A mesoscopic description of spin-transfer effect is proposed, based on the spin-injection mechanism occurring at the junction with a ferromagnet. The effect of spin-injection is to modify locally, in the ferromagnetic configuration space,…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. -E. Wegrowe , S. M. Santos , M. -C. Ciornei , H. -J. Drouhin , J. M. Rubí

Applying a magnetic field to a solid changes its thermal-transport properties. Although such magneto-thermal-transport phenomena are usually small effects, giant magneto-thermal resistance has recently been observed in spintronic…

Giant thermoelectric effects are known to arise at the interface between superconductors and strongly polarized ferromagnets, enabling the construction of efficient thermoelectric generators. We predict that the thermopower of such a…

Superconductivity · Physics 2022-11-23 Jabir Ali Ouassou , Cesar Gonzalez-Ruano , Diego Caso , Farkhad G. Aliev , Jacob Linder

The interplay between spin and heat currents at magnetic insulator|nonmagnetic metal interfaces has been a subject of much scrutiny because of both fundamental physics and the promise for technological applications. While ferrimagnetic and,…

Mesoscale and Nanoscale Physics · Physics 2019-06-13 Benedetta Flebus , Yaroslav Tserkovnyak , Gregory A. Fiete

We point out a relation between the dissipative spin-transfer-torque parameter $\beta$ and the contribution of magnon drag to the thermoelectric power in conducting ferromagnets. Using this result we estimate $\beta$ in iron at low…

Mesoscale and Nanoscale Physics · Physics 2015-05-30 M. E. Lucassen , C. H. Wong , R. A. Duine , Y. Tserkovnyak

We investigate the interplay between the thermodynamic properties and spin-dependent transport in a mesoscopic device based on a magnetic multilayer (F/f/F), in which two strongly ferromagnetic layers (F) are exchange-coupled through a…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. M. Kadigrobov , S. Andersson , D. Radic , R. I. Shekhter , M. Jonson , V. Korenivski

We investigated the transport properties in a normal metal/ferromagnet/normal metal/superconductor junction based on semi-Dirac materials with inverted energy gap. With a scattering matrix approach, we show that the electron transport in…

Superconductivity · Physics 2023-11-03 Yupeng Huang , R. Shen

We consider magnetic properties of the planar structure consisting of a ferromagnetic metal, diluted magnetic semiconductor and the quantum well (by the example of the hybrid heterostructure Fe--Ga(Mn)As--InGaAs). In the framework of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 E. Z. Meilikhov , R. M. Farzetdinova

Sustaining exotic quantum mechanical phases at high temperatures is a long-standing goal of condensed matter physics. Among them, half-metals are spin-polarized conductors that are essential for realizing room-temperature spin current…

Strongly Correlated Electrons · Physics 2022-03-22 Gour Jana , Abhishek Joshi , Subhajyoti Pal , Anamitra Mukherjee

An electric current flowing in a ferromagnetic metal carries spin angular momentum, i.e. it is spin-polarized. Here, we measure the spin-wave Doppler shift induced by the transfer of angular momentum from the diffusive spin-polarized…

We analyze the heat current traversing a quantum dot sandwiched between a ferromagnetic and a superconducting electrode. The heat flow generated in response to a voltage bias presents rectification as a function of the gate potential…

Mesoscale and Nanoscale Physics · Physics 2018-04-24 Sun-Yong Hwang , David Sanchez

We explore thermoelectric spin transport and spin dependent phenomena in a non-collinear quantum dot spin valve set up. Using this set up, we demonstrate the possibility of a thermoelectric excitation of single spin dynamics inside the…

Mesoscale and Nanoscale Physics · Physics 2013-07-04 Bhaskaran Muralidharan , Milena Grifoni

Graphene is a very promising material in spintronics due to both its high electric mobility and low intrinsic spin-obit coupling. Electronic spins can be injected from a ferromagnetic material through a tunnel contact into graphene owing to…

Mesoscale and Nanoscale Physics · Physics 2022-06-08 Bin Yang , Winfried Teizer

How magnetism affects the Seebeck effect is an important issue widely concerned in the thermoelectric community yet remaining elusive. Based on a thermodynamic analysis of spin degrees of freedom on varied $d$-electron based ferro- and…

Materials Science · Physics 2021-06-15 Peijie Sun , K. Ramesh Kumar , Meng Lyu , Zhen Wang , Junsen Xiang , Wenqing Zhang

We predict a spin echo in electron transport through layered ferromagnetic-normal-ferromagnetic metal structures: whereas a spin current polarized perpendicular to the magnetization direction decays when traversing a single homogeneous…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Arne Brataas , Gergely Zarand , Yaroslav Tserkovnyak , Gerrit E. W. Bauer

We theoretically study thermal transport in an electronic interferometer comprising a parallel circuit of two quantum dots, each of which has a tunable single electronic state which are connected to two leads at different temperature.As a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Sam Young Cho , Ross H. McKenzie
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