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The spin filtering effect in the bilayer nanowire with quantum point contact is investigated theoretically. We demonstrate the new mechanism of the spin filtering based on the lateral inter-subband spin-orbit coupling, which for the bilayer…

Mesoscale and Nanoscale Physics · Physics 2017-07-14 P. Wójcik , J. Adamowski

Here, we investigate spin Hall angle of Pt in Ni80Fe20/Pt bilayer system by using a broadband spin pumping and inverse spin Hall effect measurement. An out-of-plane excitation geometry with application of external magnetic field…

Materials Science · Physics 2017-09-13 Surbhi Gupta , Rohit Medwal , Daichi Kodama , Kouta Kondou , YoshiChika Otani , Yasuhiro Fukuma

In magnetic trilayer structures, a contribution to the Gilbert damping of ferromagnetic resonance arises from spin currents pumped from one layer to another. This contribution has been demonstrated for layers with weakly coupled, separated…

Materials Science · Physics 2016-06-15 H. Yang , Y. Li , W. E. Bailey

Spin pumping is the emission of a spin current by a magnetization dynamics while spin transfer stands for the excitation of magnetization by spin currents. Using Onsager's reciprocity relations we prove that spin pumping and spin-transfer…

Mesoscale and Nanoscale Physics · Physics 2012-03-07 Arne Brataas , Yaroslav Tserkovnyak , Gerrit E. W. Bauer , Paul J. Kelly

We report an experimental study of spin wave modes in individual cylindrical nanowires, a textbook situation of confined spin waves in 3D nanomagnetism. We observe discrete modes of thermal spin waves with micro-Brillouin light scattering,…

Mesoscale and Nanoscale Physics · Physics 2025-08-22 Niklas Martin , Laura Álvaro-Gómez , Lucas Perez , André Thiaville , Jean-Paul Adam , Olivier Fruchart , Aurélien Masseboeuf

The spin effects on electromagnetic waves in a strongly magnetized plasma with rare collisions is considered with the help of relativistic kinetic equations, which takes into account the electron spin dynamics in the selfconsistent electric…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. N. Oraevsky , V. B. Semikoz , A. S. Volokitin

We discover an instability mechanism in suspensions of self-propelled particles that does not involve active stress. Instead, it is driven by a subtle interplay of inertia, swimmer motility, and concentration fluctuations, through a crucial…

Soft Condensed Matter · Physics 2024-10-16 Purnima Jain , Navdeep Rana , Sriram Ramaswamy , Prasad Perlekar

Spin waves and coupling of the spin waves with electromagnetic waves are considered in the multiferroic materials with the electric dipole moment proportional to the scalar product of spins. Nature of this interaction is discussed within…

Materials Science · Physics 2026-03-05 Pavel A. Andreev

Spin pumping is a widely recognized method to generate the spin current in the spintronics, which is acknowledged as a fundamentally dynamic process equivalent to the spin-transfer torque. In this work, we theoretically verify that the…

Mesoscale and Nanoscale Physics · Physics 2020-06-24 Chunlei Zhang , Jianing Wang , Chendong Jin , Haiyan Xia , Jianbo Wang , Qingfang Liu

We use a combination of analytic calculations and numerical simulations to demonstrate that electrical current flowing through a magnetic bilayer induces dynamical coupling between the layers. The coupling originates from the dependence of…

Materials Science · Physics 2008-02-13 S. Urazhdin

We derive analytical expressions for the spin wave frequencies and precession amplitudes in monolayer and antiferromagnetically coupled bilayer CrSBr under in-plane external magnetic fields. The analysis covers the antiferromagnetic,…

Mesoscale and Nanoscale Physics · Physics 2026-05-05 Rob den Teuling , Ritesh Das , Artem V. Bondarenko , Elena V. Tartakovskaya , Gerrit E. W. Bauer , Yaroslav M. Blanter

We theoretically and numerically investigate spin waves that occur in systems of classical magnetic dipoles that are arranged at the vertices of a regular polygon and interact solely via their magnetic fields. There are certain limiting…

Other Condensed Matter · Physics 2017-04-05 H. -J. Schmidt , C. Schröder , M. Luban

We propose and analyze a spin wave amplifier aimed to enhance the amplitude of the propagating spin wave via the magnetoelectric effect. The amplifier is a two-layer multiferroic structure, which comprises piezoelectric and ferromagnetic…

Other Condensed Matter · Physics 2015-05-13 Alexander Khitun , Dmitri E. Nikonov , Kang L. Wang

The parametric excitation of spin waves by coherent surface acoustic waves is demonstrated experimentally in metallic magnetic thin film structures. The involved magnon modes are analyzed with micro-focused Brillouin light scattering…

We study the potential of all-electrical inductive techniques for the spectroscopy of propagating forward volume spin waves. We develop a one-dimensional model to account for the electrical signature of spin-wave reflection and transmission…

Mesoscale and Nanoscale Physics · Physics 2020-11-18 M. Sushruth , M. Grassi , K. Ait-Oukaci , D. Stoeffler , Y. Henry , D. Lacour , M. Hehn , U Bhaskar , M. Bailleul , T. Devolder , J. -P. Adam

We present measurements of pure spin current absorption on lateral spin valves. By varying the width of the absorber we demonstrate that spin current absorption measurements enable to characterize efficiently the spin transport properties…

Materials Science · Physics 2018-12-05 G. Zahnd , Laurent Vila , V. Pham , M Cosset-Cheneau , W Lim , A Brenac , P Laczkowski , A Marty , J Attané

We immerse single layer graphene spin valves into purified water for a short duration (<1 min) and investigate the effect on spin transport. Following water immersion, we observe an enhancement in nonlocal magnetoresistance. Additionally,…

Materials Science · Physics 2011-08-02 K. M. McCreary , Hua Wen , H. Yu , Wei Han , E. Johnston-Halperin , R. K. Kawakami

Many recent papers report on the interest of spin waves for applications. This paper revisits the propagating spin wave spectroscopy when using inductive transceivers connected to a network analyzer. The spin wave conduit can be made of a…

Applied Physics · Physics 2023-10-26 Thibaut Devolder

We systematically investigated the spin wave-assisted magnetization switching (SWAS) of a L10-FePt / Ni81Fe19 (Permalloy; Py) exchange-coupled bilayer using a pulse-like rf field (hrf) and mapped the switching events in the magnetic field…

Materials Science · Physics 2017-03-09 W. Zhou , T. Yamaji , T. Seki , H. Imamura , K. Takanashi

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
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