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Related papers: Domain-wall-controlled transverse spin injection

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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…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Hiroto Adachi , Ken-ichi Uchida , Eiji Saitoh , Sadamichi Maekawa

We report field- and current-induced domain wall (DW) depinning experiments in Ta/Co20Fe60B20/MgO nanowires through a Hall cross geometry. While purely field-induced depinning shows no angular dependence on in-plane fields, the effect of…

A complete set of the generalized drift-diffusion equations for a coupled charge and spin dynamics in ferromagnets in the presence of extrinsic spin-orbit coupling is derived from the quantum kinetic approach, covering major transport…

Mesoscale and Nanoscale Physics · Physics 2018-05-02 C. O. Pauyac , M. Chshiev , A. Manchon , S. A. Nikolaev

The spin injection and accumulation in metallic lateral spin valves with transparent interfaces is studied using d.c. injection current. Unlike a.c.-based techniques, this allows investigating the effects of the direction and magnitude of…

Mesoscale and Nanoscale Physics · Physics 2009-06-12 Fèlix Casanova , Amos Sharoni , Mikhail Erekhinsky , Ivan K. Schuller

The magnetic textures of Weyl semimetals are embedded into their topological structure and interact dynamically with it. Here, we examine electric field-induced structural phase transitions in domain walls mediated by the spin transfer…

Materials Science · Physics 2023-07-20 Shiva Heidari , Reza Asgari , Dimitrie Culcer

Due to the difficulty in detecting and manipulating magnetic states of antiferromagnetic materials, studying their switching dynamics using electrical methods remains a challenging task. In this work, by employing heavy metal/rare…

Materials Science · Physics 2020-01-03 Saima A Siddiqui , Jiahao Han , Joseph T Finley , Caroline A Ross , Luqiao Liu

We analyze the contribution of the inhomogeneous magnetic field induced by an electrical current to the spin Hall effect in metals. The Zeeman coupling between the field and the electron spin leads to a spin dependent force, and to spin…

Mesoscale and Nanoscale Physics · Physics 2020-03-18 A. Hernando , F. Guinea , M. A. Garcia

We develop a macroscopic description of the current-induced torque due to spin transfer in a layered system consisting of two ferromagnetic layers separated by a nonmagnetic layer. The description is based on i) the classical spin diffusion…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 J. Barnas , A. Fert , M. Gmitra , I. Weymann , V. K. Dugaev

Current-driven magnetization dynamics in ferromagnetic metals are studied in a self-consistent adiabatic local-density approximation in the presence of spin-conserving and spin-dephasing impurity scattering. Based on a quantum kinetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Yaroslav Tserkovnyak , Hans Joakim Skadsem , Arne Brataas , Gerrit E. W. Bauer

One of the fundamental effects of the laser-matter interaction is the appearance of an induced transient magnetisation. While the underlying phenomena differ in their microscopic origin and cover a diverse array of materials, here we…

Mesoscale and Nanoscale Physics · Physics 2023-09-26 Paul-Iulian Gavriloaea , Elías Saugar , Rubén Otxoa , Oksana Chubykalo-Fesenko

Controlling spin current lies at the heart of spintronics and its applications. The sign of spin currents is monotonous in ferromagnets once the current direction is determined. Spin currents in antiferromagnets can possess opposite…

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

Domain wall propagation in cylindrical nanowires with modulations of diameter is a key phenomenon to design physics-oriented devices, or a disruptive three-dimensional magnetic memory. This chapter presents a combination of analytical…

Mesoscale and Nanoscale Physics · Physics 2022-06-16 A. De Riz , B. Trapp , J. A. Fernandez-Roldan , Ch. Thirion , J. -Ch. Toussaint , O. Fruchart , D. Gusakova

Opposite to the common idea of a magnetic order requirement to obtain spin current propagation, materials with no magnetic ordering have also been revealed to be efficient spin conductors. In this work, we investigate the spin current…

Superconductivity · Physics 2022-01-11 Vinícius S. U. A. Vargas , Antônio R. Moura

The lack of certain crystalline symmetries in strong spin-orbit-coupled non-magnetic materials allows for the existence of uncoventional spin Hall responses, with electrically generated transverse spin currents possessing collinear flow and…

Mesoscale and Nanoscale Physics · Physics 2022-11-01 D. J. P. de Sousa , P. M. Haney , J. P. Wang , Tony Low

The dynamics of a domain wall driven by a spin-polarized current in a mesoscopic system is studied numerically. Spin-mixing in the states of the conduction electrons is fully taken into account. When the Fermi energy of the electrons is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Jun-ichiro Ohe , Bernhard Kramer

We predict the electrical generation and injection of domain walls into a ferromagnetic nano-wire without the need of an assisting magnetic field. Our theory shows that above a critical current $j_{c}$ domain walls are injected into the…

Mesoscale and Nanoscale Physics · Physics 2016-07-15 Davi R. Rodrigues , Jairo Sinova , Ar. Abanov

Manipulation of magnetic domain walls via a helicity-independent laser pulse has recently been experimentally demonstrated and various physical mechanisms leading to domain wall dynamics have been discussed. Spin-dependent superdiffusive…

Mesoscale and Nanoscale Physics · Physics 2020-05-20 Pavel Baláž , Karel Carva , Ulrike Ritzmann , Pablo Maldonado , Peter M. Oppeneer

We define the metamagnetic phase transition of itinerant electrons controlled by the spin injection mechanism. The current flow between a ferromagnetic metal and a metamagnetic metal produces the non-equilibrium shift of chemical potential…

Mesoscale and Nanoscale Physics · Physics 2015-01-06 A. A. Zyuzin , A. Yu. Zyuzin

Current induced domain wall (DW) motion in perpendicularly magnetized nanostripes in the presence of spin orbit torques is studied. We show using micromagnetic simulations that the direction of the current induced DW motion and the…

Materials Science · Physics 2015-06-17 O. Boulle , L. D. Buda-Prejbeanu , E. Jué , I. M. Miron , G. Gaudin