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Related papers: Broad-Wavevector Spin Pumping of Flat-Band Magnons

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We experimentally investigate frequency-selective spin wave (SW) transmission in a micrometre-scale, ring-shaped magnonic resonator integrated with a linear Yttrium Iron Garnet (YIG) stripe. Using super-Nyquist-sampling magneto-optical Kerr…

Mesoscale and Nanoscale Physics · Physics 2025-10-22 Franz Vilsmeier , Takuya Taniguchi , Michael Lindner , Christian Riedel , Christian Back

Magnonic nano-devices exploit magnons -- quanta of spin waves -- to transmit and process information within a single integrated platform that has the potential to outperform traditional semiconductor-based electronics for low power…

We demonstrate microwave-mediated distant magnon-magnon coupling on a superconducting circuit platform, incorporating chip-mounted single-crystal Y$_3$Fe$_5$O$_{12}$ (YIG) spheres. Coherent level repulsion and dissipative level attraction…

We experimentally demonstrate tight focusing of a spin wave beam excited in extended nanometer-thick films of Yttrium Iron Garnet by a simple microscopic antenna functioning as a single-slit near-field lens. We show that the focal distance…

Mesoscale and Nanoscale Physics · Physics 2020-02-12 B. Divinskiy , N. Thiery , L. Vila , O. Klein , N. Beaulieu , J. Ben Youssef , S. O. Demokritov , V. E. Demidov

The spin pumping efficiency of lateral standing spin wave modes in a rectangular YIG/Pt sample has been investigated by means of the inverse spin-Hall effect (ISHE). The standing spin waves drive spin pumping, the generation of spin…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 C. W. Sandweg , Y. Kajiwara , K. Ando , E. Saitoh , B. Hillebrands

We theoretically investigate the fluctuation of a pure spin current induced by the spin Seebeck effect and spin pumping in a normal metal (NM)/ferromagnet (FM) bilayer system. Starting with a simple FI--NM interface model with both…

Mesoscale and Nanoscale Physics · Physics 2018-01-24 M. Matsuo , Y. Ohnuma , T. Kato , S. Maekawa

We show that in YIG-Pt bi-layers, which are widely used in experiments on the spin transfer torque and spin Hall effects, the spin-wave amplitude significantly decreases in comparison to a single YIG film due to the excitation of microwave…

Mesoscale and Nanoscale Physics · Physics 2023-11-01 Dmytro A. Bozhko , Alexander A. Serga , Milan Agrawal , Burkard Hillebrands , Mikhail P. Kostylev

Magnons are the energy quanta of fundamental spin excitations, namely spin waves, and they can make a considerable contribution to energy transport in some magnetic materials in a similar manner as lattice vibration waves or phonons. The…

We show that the resonant coupling of phonons and magnons can be exploited to generate spin currents at room temperature. Surface acoustic wave (SAW) pulses with a frequency of 1.55 GHz and duration of 300 ns provide coherent elastic waves…

Materials Science · Physics 2013-10-30 M. Weiler , H. Huebl , F. S. Goerg , F. D. Czeschka , R. Gross , S. T. B. Goennenwein

We present a plausible mechanism for achieving magnon-magnon level repulsion spectrum originating from the oscillation between the splitting and confluence in a three-magnon scattering process. When a magnetostatic mode on a YIG sphere is…

Mesoscale and Nanoscale Physics · Physics 2025-05-09 Tao Qu , Yuzan Xiong , Xufeng Zhang , Yi Li , Wei Zhang

Conversion of traveling magnons into an electron carried spin current is demonstrated in a time resolved experiment using a spatially separated inductive spin-wave source and an inverse spin Hall effect (ISHE) detector. A short spin-wave…

Mesoscale and Nanoscale Physics · Physics 2013-09-26 A. V. Chumak , A. A. Serga , M. B. Jungfleisch , R. Neb , D. A. Bozhko , V. S. Tiberkevich , B. Hillebrands

Spin-wave based transmission and processing of information is a promising emerging nano-technology that can help overcome limitations of traditional electronics based on the transfer of electrical charge. Among the most important challenges…

Mesoscale and Nanoscale Physics · Physics 2023-10-05 K. O. Nikolaev , S. R. Lake , G. Schmidt , S. O. Demokritov , V. E. Demidov

Yttrium Iron Garnet based tunable magnetostatic wave and spin wave devices are poised to revolutionize the fields of Magnonics, Spintronics, Microwave devices, and quantum information science. The magnetic bias required for operating and…

Applied Physics · Physics 2024-05-24 Renyuan Wang , Sudhanshu Tiwari , Yiyang Feng , Sen Dai , Sunil A. Bhave

Parametric spin wave excitation allows studying a variety of nonlinear phenomena, such as magnon scattering. In patterned micro- and nanostructures the magnon spectra is discrete and translational symmetry is broken, which means allowable…

Mesoscale and Nanoscale Physics · Physics 2024-09-20 Joo-Von Kim , Hugo Merbouche

We use electrical detection, in combination with microwave transmission, to investigate both resonant and non-resonant magnon-photon coupling at room temperature. Spin pumping in a dynamically coupled magnon-photon system is found to be…

Materials Science · Physics 2015-06-04 Lihui Bai , M. Harder , Y. P. Chen , X. Fan , J. Q. Xiao , C. -M. Hu

Hybrid magnonic systems have emerged as versatile modular components for quantum signal transduction and sensing applications owing to their capability of connecting distinct quantum platforms. To date, the majority of the magnonic systems…

Mesoscale and Nanoscale Physics · Physics 2025-10-17 Junming Wu , Shihao Zhou , Benedetta Flebus , Wei Zhang

This review presents a comprehensive study of the spatial dispersion of propagating magnons electrically emitted in extended yttrium-iron garnet (YIG) films by the spin transfer effects across a YIG$\vert$Pt interface. Our goal is to…

We study experimentally the possibility to utilize pulses of pure spin current, produced via the nonlocal spin injection mechanism, to generate short packets of spin waves propagating in nanoscale magnetic waveguides. The spatially and…

Mesoscale and Nanoscale Physics · Physics 2017-03-03 B. Divinskiy , V. E. Demidov , S. O. Demokritov , A. B. Rinkevich , S. Urazhdin

A differential phase shift of a low-power spin wave (SW) induced by a high-power pumping wave co-propagating at different frequencies in perpendicularly magnetized magnetic films has been studied. We find that this effect for forward volume…

Mesoscale and Nanoscale Physics · Physics 2026-05-29 Alexey B. Ustinov , Roman V. Haponchyk , Anton P. Burovikhin , Mitsuteru Inoue , Taichi Goto

Modern-days CMOS-based computation technology is reaching its fundamental limitations. The emerging field of magnonics, which utilizes spin waves for data transport and processing, proposes a promising path to overcome these limitations.…