English
Related papers

Related papers: Spin-wave diode and circulator based on unidirecti…

200 papers

Magnon spintronics is an emerging field that explores the use of magnons, the quanta of spin waves in magnetic materials for information processing and communication. Achieving unidirectional information transport with fast switching…

Mesoscale and Nanoscale Physics · Physics 2024-10-03 Yueqi Wang , Mengying Guo , Kristýna Davídková , Roman Verba , Xueyu Guo , Carsten Dubs , Andrii V. Chumak , Philipp Pirro , Qi Wang

We propose a hybrid magnonic-oscillator system based on the combination of a spin transfer auto-oscillator and a magnonic waveguide to open new perspectives for spin-wave based circuits. The system is composed of a spin transfer oscillator…

Other Condensed Matter · Physics 2022-12-23 A. Hamadeh , D. Breitbach , M. Ender , A. Koujok , M. Mohseni , F. Kohl , J. Maskill , M. Bechberger , P. Pirro

The possibility to generate short spin waves is of great interest in the field of magnonics nowadays. We present an effective and technically affordable way of conversion of long spin waves, which may be generated by conventional microwave…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 Piotr Graczyk , Mateusz Zelent , Maciej Krawczyk

Spin-Hall oscillators are promising sources of spin-wave signals for magnonics applications, and can serve as building blocks for magnonic logic in ultralow power computation devices. Here, we analytically and micromagnetically study…

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

We present an analytic and numerical study of the creation of an uni-directional spin-wave emission in ultra-thin ferromagnetic films sandwiched in an asymmetric layer stack. For this we extend the analytical description of spin waves in…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Thomas Brächer , Philipp Pirro , Olivier Boulle , Gilles Gaudin

Generation of second-harmonic waves is one of the universal nonlinear phenomena that have found numerous technical applications in many modern technologies, in particular, in photonics. This phenomenon also has great potential in the field…

Mesoscale and Nanoscale Physics · Physics 2024-03-01 K. O. Nikolaev , S. R. Lake , G. Schmidt , S. O. Demokritov , V. E. Demidov

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

Magnonics is a rapidly developing subfield of spintronics, which deals with devices and circuits that utilize spin currents carried by magnons - quanta of spin waves. Magnon current, i.e. spin waves, can be used for information processing,…

Mesoscale and Nanoscale Physics · Physics 2019-03-18 S. Rumyantsev , M. Balinskiy , F. Kargar , A. Khitun , A. A. Balandin

Spin-waves (magnons) are among the prime candidates for building fast yet energy-efficient platforms for information transport and computing. We here demonstrate theoretically and in state-of-the-art micromagnetic simulation the effects…

The development of fast magnonic information processing nanodevices requires operating with short spin-wave pulses, but, the shorter the pulses, the more affected they are by information loss due to broadening and dispersion. The capability…

Mesoscale and Nanoscale Physics · Physics 2022-09-15 Silvia Casulleras , Sebastian Knauer , Qi Wang , Oriol Romero-Isart , Andrii V. Chumak , Carlos Gonzalez-Ballestero

The use of spin waves as a signal carrier requires developing the functional elements allowing for multiplexing and demultiplexing information coded at different wavelengths. For this purpose, we propose a system of thin ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2021-05-25 Pierre Roberjot , Krzysztof Szulc , Jarosław W. Kłos , Maciej Krawczyk

Transmission and processing of information at the nanoscale using spin waves and their quanta - magnons, offers numerous advantages and opportunities that make it a promising next-generation technology for integrated electronics. The main…

Mesoscale and Nanoscale Physics · Physics 2025-09-19 K. O. Nikolaev , S. R. Lake , B. Das Mohapatra , G. Schmidt , S. O. Demokritov , V. E. Demidov

Local modification of magnetic properties of nanoelements is a key to design future-generation magnonic devices, in which information is carried and processed via spin waves. One of the biggest challenges here is to fabricate simple and…

Mesoscale and Nanoscale Physics · Physics 2020-04-03 O. V. Dobrovolskiy , R. Sachser , S. A. Bunyaev , D. Navas , V. M. Bevz , M. Zelent , W. Smigaj , J. Rychly , M. Krawczyk , R. V. Vovk , M. Huth , G. N. Kakazei

The research feld of magnonics proposes a low-energy wave-logic computation technology based on spin waves to complement the established CMOS technology and provide a basis for emerging unconventional computation architectures. However,…

We study experimentally and by micromagnetic simulations the propagation of spin waves in 100-nm thick YIG waveguides, where the width linearly decreases from 2 to 0.5 micrometers over a transition region with varying length between 2.5 and…

Mesoscale and Nanoscale Physics · Physics 2021-11-04 S. R. Lake , B. Divinskiy , G. Schmidt , S. O. Demokritov , V. E. Demidov

The emerging field of magnonics employs spin waves and their quanta, magnons, to implement wave-based computing on the micro- and nanoscale. Multi-frequency magnon networks would allow for parallel data processing within single logic…

Spin waves are excitations in ferromagnetic media that have been proposed as information carriers in hybrid spintronic devices with much lower operation power than conventional charge-based electronics. Their wave nature can be exploited in…

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 the propagation of surface spin waves in two wave guides coupled through the dipole-dipole interaction. Essential for the observations made here is the magneto-electric coupling between the spin waves and the effective…

Strongly Correlated Electrons · Physics 2019-09-04 Xi-guang Wang , L. Chotorlishvili , Guang-hua Guo , J. Berakdar