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We characterize spin wave propagation and its modification by an electrical current in Permalloy(Py)/Pt bilayers with Py thickness between 4 and 20 nm. First, we analyze the frequency non-reciprocity of surface spin waves and extract from…

Materials Science · Physics 2020-01-15 O. Gladii , M. Collet , Y. Henry , J. -V. Kim , A. Anane , M. Bailleul

We investigate the effect of a direct current on propagating spin waves in a CoFeB/Ta bilayer structure. Using the micro-Brillouin light scattering technique, we observe that the spin wave amplitude may be attenuated or amplified depending…

Spin-wave computing, a potential successor to CMOS-based technologies, relies on the efficient manipulation of spin waves for information processing. While basic logic devices like magnon transistors, gates, and adders have been…

Mesoscale and Nanoscale Physics · Physics 2023-11-29 Jan Klíma , Ondřej Wojewoda , Václav Roučka , Tomáš Molnár , Jakub Holobrádek , Michal Urbánek

Spin waves are collective excitations propagating in the magnetic medium with ordered magnetizations. Magnonics, utilizing the spin wave (magnon) as information carrier, is a promising candidate for low-dissipation computation and…

Mesoscale and Nanoscale Physics · Physics 2016-10-19 Weichao Yu , Jin Lan , Ruqian Wu , Jiang Xiao

Van der Waals magnetic materials are currently of great interest as materials for applications in future ultrathin nanoelectronics and nanospintronics. Due to weak coupling between individual monolayers, these materials can be easily…

Mesoscale and Nanoscale Physics · Physics 2023-11-21 Wojciech Rudziński , Józef Barnaś , Anna Dyrdał

Spin waves are propagating disturbances in the magnetization of magnetic materials. One of their interesting properties is the nonreciprocity, exhibiting that their amplitude depends on the magnetization direction. Nonreciprocity in spin…

We investigated spin wave (SW) propagation and emission in thin film systems with strong interfacial Dzyaloshinskii-Moriya interaction (DMI) utilizing micromagnetic simulation. The effect of DMI on SW propagation is analogous to the flow of…

Computational Physics · Physics 2022-04-06 Hong Xia , Haoran Chen , Changyeon Won , Haibin Zhao , Yizheng Wu

Conventional magnonic devices use three classes of magnetostatic waves that require detailed manipulation of magnetization structure that makes the design and the device/circuitry scalability difficult tasks. Here, we demonstrate that…

Mesoscale and Nanoscale Physics · Physics 2017-07-04 X. S. Wang , H. W. Zhang , X. R. Wang

Antiferromagnets (AFMs) are promising platforms for the transmission of quantum information via magnons (the quanta of spin waves), offering advantages over ferromagnets with regard to dissipation, speed of response, and immunity to…

Strongly Correlated Electrons · Physics 2024-07-25 Yue Sun , Fanhao Meng , Changmin Lee , Aljoscha Soll , Hongrui Zhang , Ramamoorthy Ramesh , Jie Yao , Zdenĕk Sofer , Joseph Orenstein

The field of magnonics, which utilizes propagating spin waves for nano-scale transmission and processing of information, has been significantly advanced by the advent of the spin-orbit torque. The latter phenomenon can allow one to overcome…

Mesoscale and Nanoscale Physics · Physics 2020-05-05 V. E. Demidov , S. Urazhdin , A. Anane , V. Cros , S. O. Demokritov

We show that a Skyrmion in a classical bipartite antiferromagnetic lattice can be spatially displaced in a controlled manner by externally applied spin waves. We reveal the relation between the Skyrmion motion and the spin wave properties.…

Mesoscale and Nanoscale Physics · Physics 2024-02-02 Michael Lau , Wolfgang Häusler , Michael Thorwart

Electrical manipulation of spin-polarized current is highly desirable yet tremendously challenging in developing ultracompact spintronic device technology. Here we propose a scheme to realize the all-electrical manipulation of…

Mesoscale and Nanoscale Physics · Physics 2024-09-19 Rui Peng , Jin Yang , Lin Hu , Wee-Liat Ong , Pin Ho , Chit Siong Lau , Junwei Liu , Yee Sin Ang

Spin Waves (SWs) propagate through magnetic waveguides and interfere with each other without consuming noticeable energy, which opens the road to new ultra-low energy circuit designs. In this paper we build upon SW features and propose a…

Mesoscale and Nanoscale Physics · Physics 2021-06-22 Abdulqader Mahmoud , Frederic Vanderveken , Florin Ciubotaru , Christoph Adelmann , Sorin Cotofana , Said Hamdioui

Spintronics, which aims at exploiting the spin degree of freedom of carriers inside electronic devices, has a huge potential for quantum computation and dissipationless interconnects. Ideally, spin currents in spintronic devices should be…

Materials Science · Physics 2014-04-02 F. Bottegoni , M. Celebrano , M. Bollani , P. Biagioni , G. Isella , F. Ciccacci , M. Finazzi

We propose to use a soft/hard exchange-spring coupling bilayer magnetic structure to introduce a narrow channel for spin-wave propagation. We show by micromagnetic simulations that broad-band Damon-Eshbach geometry spin waves can be…

Spin waves are perturbations in the relative orientation of magnetic moments in a continuous magnetic system, which have been proposed as a new kind of information carrier for spin-based low power applications. For this purpose, a major…

Mesoscale and Nanoscale Physics · Physics 2017-06-20 Michele Voto , Luis Lopez-Diaz , Eduardo Martinez

Nonreciprocal spin-wave propagation in bilayer ferromagnetic systems has attracted significant attention due to its potential to precisely quantify material parameters as well as for applications in magnonic logic and information…

Mesoscale and Nanoscale Physics · Physics 2025-05-07 C. Heins , V. Iurchuk , O. Gladii , L. Körber , A. Kákay , J. Fassbender , K. Schultheiss , H. Schultheiss

Magnetic solitons have recently attracted significant attention due to their intricate physical properties and potential applications in information processing. The majority of the studies in this field, however, are focused on a particular…

A spin-wave (SW) directional coupler comprised of two laterally parallel nano-scale dipolarly-coupled SW waveguides is proposed and studied using micromagnetic simulations and analytical theory. The energy of a SW excited in one of the…

Mesoscale and Nanoscale Physics · Physics 2019-05-30 Qi Wang , Philipp Pirro , Roman Verba , Andrei Slavin , Burkard Hillebrands , Andrii V. Chumak

In this study, we discuss the observation of spin wave interference generated by magnetic oscillators. We employ micromagnetic simulations for two coherent spin Hall nanowire oscillators positioned nearby, horizontally or vertically. The…

Mesoscale and Nanoscale Physics · Physics 2024-03-25 Mohammad Haidar