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Conversions between spin and charge currents are core technologies in recent spintronics. In this article, we provide methods for estimating inverse spin Hall effects (ISHEs) induced by using microwave-driven spin pumping (SP) as a…

材料科学 · 物理学 2016-12-21 Ryo Iguchi , Eiji Saitoh

Current-induced magnetization switching, a fundamental phenomenon related to spin-transport of electrons, enables non-voltaic and fast information write, facilitating applications in low-power memory and logic devices. However,…

材料科学 · 物理学 2025-07-30 Yanyan Yang , Weiwei Lin

A magnetic-field-effect transistor is proposed that generates a spin-polarized current and exhibits a giant negative magnetoresitance. The device consists of a nonmagnetic conducting channel (wire or strip) wrapped, or sandwiched, by a…

介观与纳米尺度物理 · 物理学 2009-11-10 R. N. Gurzhi , A. N. Kalinenko , A. I. Kopeliovich , A. V. Yanovsky , E. N. Bogachek , Uzi Landman

Employing electron spin instead of charge to develop spintronic devices holds the merits of low-power consumption in information technologies. Meanwhile, the demand for increasing speed in spintronics beyond current CMOS technology has…

The infuence of the conduction-electron spin magnetization density, induced in a two-dimensional electron layer by a microwave electromagnetic field, on the rejection and transmission of the field is considered. Because of the induced…

介观与纳米尺度物理 · 物理学 2016-06-29 Victor M. Edelstein

Controlling the phase and amplitude of spin waves in magnetic insulators with an electric field opens the way to fast logic circuits with ultra-low power consumption. One way to achieve such control is to manipulate the magnetization of the…

介观与纳米尺度物理 · 物理学 2024-02-26 Rostyslav O. Serha , Vitaliy I. Vasyuchka , Alexander A. Serga , Burkard Hillebrands

The discovery that a spin polarized current can exert a large torque on a ferromagnet through a transfusion of spin angular momentum, offers a new way to control a magnetization by simple current injection, without the help of an applied…

We theoretically analyze a possibility of electromagnetic wave emission due to electron transitions between spin subbands in a ferromagnet. Different mechanisms of such spin-flip transitions are cousidered. One mechanism is the electron…

介观与纳米尺度物理 · 物理学 2025-04-01 Evgeny Karashtin

Among spin-crossover complexes, Fe-porphyrin (FeP) stands out for molecular spintronic applications: An intricate, yet favourable balance between ligand fields, charge transfer, and the Coulomb interaction makes FeP highly manipulable,…

强关联电子 · 物理学 2021-09-03 Sumanta Bhandary , Jan M. Tomczak , Angelo Valli

Graphene is an ideal material for spin transport as very long spin relaxation times and lengths can be achieved even at room temperature. However, electrical spin injection is challenging due to the conductivity mismatch problem. Spin…

介观与纳米尺度物理 · 物理学 2018-10-30 D. I. Indolese , S. Zihlmann , P. Makk , C. Jünger , K. Thodkar , C. Schönenberger

The use of an external transverse magnetic field to trigger and to control electron self-injection in laser- and particle-beam driven wakefield accelerators is examined analytically and through full-scale particle-in-cell simulations. A…

等离子体物理 · 物理学 2011-08-24 J. Vieira , S. F. Martins , V. B. Pathak , R. A. Fonseca , W. B. Mori , L. O. Silva

The use of superconducting micro-resonators in combination with quantum-limited Josephson parametric amplifiers has in recent years lead to more than four orders of magnitude improvement in the sensitivity of pulsed Electron Spin Resonance…

Conventional $s$-wave superconductors repel external magnetic flux. However, a recent experiment [A. Di Bernardo et al., Phys. Rev. X \textbf{5}, 041021 (2015)] has tailored the electromagnetic response of superconducting correlations via…

介观与纳米尺度物理 · 物理学 2016-03-30 Camilla Espedal , Takehito Yokoyama , Jacob Linder

A class of antiferromagnets with spin-polarized electron bands, yet zero net magnetization, called altermagnets is attracting increasing attention due to their potential use in spintronics. Here, we study spin injection into an altermagnet…

介观与纳米尺度物理 · 物理学 2024-02-19 Chi Sun , Jacob Linder

Parametric amplification offers a route to overcoming intrinsic damping in spin-wave systems, a key challenge in the development of magnonic signal processing and computing technologies. Here we demonstrate the sustained amplification of…

其他凝聚态物理 · 物理学 2025-07-22 Carson Rivard , Albrecht Jander , Pallavi Dhagat

We present new mechanism for manipulation of the spin-wave amplitude through the use of the dynamic charge-mediated magnetoelectric effect in ultrathin multilayers composed of dielectric thin-film capacitors separated by a ferromagnetic…

介观与纳米尺度物理 · 物理学 2020-01-22 Piotr Graczyk , Maciej Krawczyk

Microstrip transducers used for the excitation of spin waves in magnetic films possess two characteristic properties: high spatial localization of the microwave magnetic field and the presence of field components parallel and perpendicular…

其他凝聚态物理 · 物理学 2010-04-20 T. Neumann , A. A. Serga , V. I. Vasyuchka , B. Hillebrands

Injecting magnetized plasma with changes in magnetization or injection rate necessitate a time variable magnetic field at the boundary of the simulation box. Naive implementation will lead to electromagnetic precursor waves that can affect…

等离子体物理 · 物理学 2017-11-22 Patrick Kilian , Felix Spanier

We argue that a pseudo-one-dimensional electron gas is magnetized when a voltage bias is applied with the Fermi level tuned to be in the energy gap generated by a spin-orbit interaction. The magnetization is an indication of spin-carrying…

介观与纳米尺度物理 · 物理学 2007-05-23 Naomichi Hatano , Ryoen Shirasaki , Hiroaki Nakamura

The partial reflection of an electromagnetic (EM) wave from a medium leads to absorption of momentum in the direction perpendicular to the surface (the standard radiation pressure) {and, for oblique incidence on a partially reflecting…

光学 · 物理学 2019-03-26 Andrea Macchi , Anna Grassi , François Amiranoff , Caterina Riconda