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Related papers: Switching spin valves using r.f. currents

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Well-known Nuclear Magnetic Resonance experiments show that the time evolution according to (truncated) dipole-dipole interactions between n spins can be inverted by simple pulse sequences. Independent of n, the reversed evolution is only…

Quantum Physics · Physics 2009-11-07 Dominik Janzing , Pawel Wocjan , Thomas Beth

Magnetic Resonance Force Microscopy (MRFM) describes a range of approaches to detect nuclear spins with mechanical sensors. MRFM has the potential to enable magnetic resonance imaging (MRI) with near-atomic spatial resolution, opening up…

We describe a method of controlling the spin wave spectra dynamically in a uniform nanostripe waveguide through spin-polarized currents. A stable periodic magnetization structure is observed when the current flows vertically through the…

Materials Science · Physics 2015-06-22 Qi Wang , Huaiwu Zhang , Xiaoli Tang , Hans Fangohr , Feiming Bai , Zhiyong Zhong

We study magnetization reversal in a $\varphi_0$ Josephson junction with direct coupling between magnetic moment and Josephson current. Our simulations of magnetic moment dynamics show that by applying an electric current pulse, we can…

Superconductivity · Physics 2017-05-24 Yu. M. Shukrinov , I. R. Rahmonov , K. Sengupta , A. Buzdin

We propose a field-free switching mechanism that utilizes two spatially orthogonal spin-orbit torque (SOT) currents. Initially applied simultaneously, one of the currents is subsequently switched off. The superposition of these two currents…

Mesoscale and Nanoscale Physics · Physics 2024-04-01 Dieter Suess , Claas Abert , Sebastian Zeilinger , Florian Bruckner , Sabri Koraltan

Frequent polarization reversals, or spin-flips, of a stored polarized beam in a high energy scattering asymmetry experiments may greatly reduce systematic errors of spin asymmetry measurements. A spin-flipping technique is being developed…

Accelerator Physics · Physics 2009-09-29 B. B. Blinov

Dynamical antiferromagnets pump spins efficiently into adjacent conductors as ferromagnets. The high antiferromagnetic resonance frequencies represent a challenge for experimental detection, but magnetic fields can reduce these resonance…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 Øyvind Johansen , Arne Brataas

We demonstrate electrical magnetization switching and spin pumping in magnetically doped Weyl semimetals. The Weyl semimetal is a new class of topological semimetals, known to have nontrivial coupling between the charge and the…

Mesoscale and Nanoscale Physics · Physics 2016-11-02 Daichi Kurebayashi , Kentaro Nomura

We present improved circuits intended for building a universal computer based on Random Pulse Computing (RPC) paradigm, a biologically-inspired way of computation in which variable is represented by a frequency of a Random Pulse Train (RPT)…

Emerging Technologies · Computer Science 2022-01-11 Mario Stipčević , Mateja Batelić

In this paper, we report an experimental realization of quantum switch using nuclear spins and magnetic resonant pulses. The nuclear spins of H and C in carbon-13 labelled chloroform are used to carry the information, then nuclear magnetic…

Quantum Physics · Physics 2007-05-23 I. M. Tsai , S. Y. Kuo , S. L. Huang , Y. C. Lin , T. T. Chen

Altermagnets host intrinsically chirality-splitting spin waves, which offer an ideal platform for chirality-based computing with low energy consumption and fast dynamics. However, achieving precise and efficient control over spin-wave…

Mesoscale and Nanoscale Physics · Physics 2025-10-29 Wen-Tong Li , Yu-Biao Wu , Lin Zhuang , Jian-Tao Wang , Wu-Ming Liu

We present an optimal field-free protocol for current-induced switching of a perpendicularly magnetized ferromagnetic insulator nanoelement on the surface of a topological insulator. The time dependence of in-plane components of the surface…

All-optical ultrafast magnetization switching in magnetic material thin film without the assistance of an applied external magnetic field is being explored for future ultrafast and energy-efficient magnetic storage and memories. It has been…

Materials Science · Physics 2018-05-08 S. Iihama , Y. Xu , M. Deb , G. Malinowski , M. Hehn , J. Gorchon , E. E. Fullerton , S. Mangin

We demonstrate spin pumping, i.e. the generation of a pure spin current by precessing magnetization, without application of microwave radiation commonly used in spin pumping experiments. We use femtosecond laser pulses to simultaneously…

Organic spintronic devices have been appealing because of the long spin life time of the charge carriers in the organic materials and their low cost, flexibility and chemical diversity. In previous studies, the control of resistance of…

It remains a challenge to independently manipulate the magnetic dipolar and the spin-exchange interactions, which are entangled in many spin systems, particularly in spin-1 Bose-Einstein condensates. For this purpose, we put forward a…

Quantum Gases · Physics 2012-05-31 Bo-Yuan Ning , S. Yi , Jun Zhuang , J. Q. You , Wenxian Zhang

Detailed understanding of spin dynamics in magnetic nanomaterials is necessary for developing ultrafast, low-energy and high-density spintronic logic and memory. Here, we develop micromagnetic models and analytical solutions to elucidate…

Materials Science · Physics 2020-04-28 Furkan Şahbaz , Mehmet C. Onbaşlı

The interaction of polarized light with a spin in the presence of dissipation is shown to be equivalent to a spin transfer process that can cause switching. In plasmas, the spin transfer is dominated by a spin-spin exchange term while at…

Materials Science · Physics 2007-05-23 A. Rebei , J. Hohlfeld

The recently discovered electrical-induced switching of antiferromagnetic (AF) materials that have spatial inversion asymmetry has enriched the field of spintronics immensely and opened the door for the concept of antiferromagnetic MRAM.…

Materials Science · Physics 2021-06-10 K. A. Omari , L. X. Barton , O. Amin , R. P. Campion , A. W. Rushforth , P. Wadley , K. W. Edmonds

The magnetic vortex structure, an important ground state configuration in micron and sub-micron sized ferromagnetic thin film platelets, is characterized by a curling in-plane magnetization and, in the center, a minuscule region with…

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