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The characterization and manipulation of deposited magnetic clusters or molecules on surfaces is a prerequisite for their future utilization. In recent years techniques like spin-flip inelastic electron tunneling spectroscopy using a…

Strongly Correlated Electrons · Physics 2019-03-25 H. -T. Langwald , J. Schnack

The electric resistance of ferromagnet/normal-metal/ferromagnet perpendicular spin valves depends on the relative angle between the magnetization directions. In contrast to common wisdom, this angular magnetoresistance is found to be not…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Jan Manschot , Arne Brataas , Gerrit E. W. Bauer

In the framework of phenomenological model we consider dynamics of a compensated collinear antiferromagnet (AFM) in the presence of spin-polarised current. The model is based on the assumption that AFM spins are localised and spin torque is…

Materials Science · Physics 2010-03-16 H. Gomonay , V. Loktev

Using micromagnetics we demonstrate that the r.f. field produced by a spin valve can be used to reverse the magnetization in a magnetic nanoparticle. The r.f. field is generated using a current that specifically excites a uniform spin wave…

Materials Science · Physics 2009-11-13 K. Rivkin , J. Ketterson , W. Saslow

Recent experimental measurements of magnetoresistance in dual spin valves [A. Aziz et al., Phys. Rev. Lett. 103, 237203 (2009)] reveal some nonlinear features of transport, which have not been observed in other systems. We propose a…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 P. Balaz , J. Barnas

We show that an electric field can induce nonreciprocal spin wave dispersion in magnetic insulators with negligible spin-orbit coupling. The electric field controls the direction and magnitude of nonreciprocity through a nonlinear…

Strongly Correlated Electrons · Physics 2025-07-15 Xiao-Hui Li , Yuan-Ming Lu , Yuan Wan

Altermagnets host an array of magnetic multipoles, which are often visualized and studied in the reciprocal space. In the real space, the relative phase of the multipoles of the spin-density around atoms determines whether a system is an…

Materials Science · Physics 2026-01-01 Luca Buiarelli , Rafael M. Fernandes , Turan Birol

In antiferromagnets, dipolar coupling is often disregarded due to the cancellation of magnetic moments between the two sublattices, leaving spin-wave dispersion predominantly determined by exchange interactions. However, antiferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2025-05-21 Jiongjie Wang , Jiang Xiao

An anomalous (inverse) spin accumulation in the nonmagnetic spacer may build up when the spin valve consists of magnetic films having different spin symmetries. This leads to wavy-like dependence of spin-transfer torque on the angle between…

Mesoscale and Nanoscale Physics · Physics 2010-04-12 E. Jaromirska , P. Balaz , L. Lopez Diaz , J. Barnas

We derive the complete expression of nonlocal damping in noncollinear magnetization due to the nonuniform spin current pumped by precessional magnetization and incorporate it into a generalized Thiele equation to study its effects on the…

Mesoscale and Nanoscale Physics · Physics 2016-08-17 H. Y. Yuan , Zhe Yuan , Ke Xia , X. R. Wang

In this paper we study the switching properties of the dynamics of magnetic moments, that interact with an elastic medium. To do so we construct a Hamiltonian framework, that can take into account the dynamics in phase space of the…

Materials Science · Physics 2019-12-30 Thomas Nussle , Pascal Thibaudeau , Stam Nicolis

Antiferromagnets (AFMs) hold promise for applications in digital logic. However, switching AFM domains is challenging, as magnetic fields do not couple to the bulk antiferromagnetic order parameter. Here we show that magnetic-field-driven…

Materials Science · Physics 2026-01-13 Sophie F. Weber , Veronika Sunko

Spin valves form a key building block in a wide range of spintronic concepts and devices from magnetoresistive read heads to spin-transfer-torque oscillators. We elucidate the dependence of the magnetic damping in the free layer on the…

Mesoscale and Nanoscale Physics · Physics 2019-04-11 Akashdeep Kamra , Dmytro M. Polishchuk , Vladislav Korenivski , Arne Brataas

We present a phenomenological theory for coupled spin-charge dynamics in magnetic van der Waals heterostructures. The system studied consists of a layered antiferromagnet inserted into a capacitive vdW heterostructure. It has been recently…

Mesoscale and Nanoscale Physics · Physics 2020-09-23 Avinash Rustagi , Abhishek Solanki , Yaroslav Tserkovnyak , Pramey Upadhyaya

We present theoretical description of the precessional switching processes induced by simultaneous application of spin-polarized current and external magnetic field to antiferromagnetic component of the "pinned" layer. We found stability…

Other Condensed Matter · Physics 2013-05-29 Helen V. Gomonay , Vadim M. Loktev

The remagnetization dynamics of monolayer dot array superlattice XY 2-D spin model with dipole-dipole interactions is simulated. Within the proposed model of array, the square dots are described by the spatially modulated…

Disordered Systems and Neural Networks · Physics 2009-11-10 Martin Gmitra , Denis Horvath

Storing and accessing information in atomic-scale magnets requires magnetic imaging techniques with single-atom resolution. Here, we show simultaneous detection of the spin-polarization and exchange force, with or without the flow of…

Mesoscale and Nanoscale Physics · Physics 2017-08-16 Nadine Hauptmann , Jan W. Gerritsen , Daniel Wegner , Alexander A. Khajetoorians

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

Magnetization switching due to a current-pulse in symmetric and asymmetric spin valves is studied theoretically within the macrospin model. The switching process and the corresponding switching parameters are shown to depend significantly…

Mesoscale and Nanoscale Physics · Physics 2010-04-12 Pavel Balaz , Martin Gmitra , Jozef Barnas

We study the effects of the coupling between magnetization dynamics and the electronic degrees of freedom in a heterostructure of a metallic nanomagnet with dynamic magnetization coupled with a superconductor containing a steady…

Mesoscale and Nanoscale Physics · Physics 2020-09-18 Risto Ojajärvi , Juuso Manninen , Tero T. Heikkilä , Pauli Virtanen