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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

Coupling a single spin to high-frequency mechanical motion is a fundamental bottleneck of applications such as quantum sensing, intermediate and long-distance spin-spin coupling, and classical and quantum information processing. Previous…

In this paper, boundary conditions for Landau-Lifshitz equations at the interface between two ferromagnets with different Dzyaloshinskii-Moriya interactions are derived. We calculated and verified the analytical expression for the energy…

Mesoscale and Nanoscale Physics · Physics 2021-12-01 O. Yu. Gorobets , Yu. I. Gorobets , I. M. Tiukavkina , R. S. Gerasimenko

The use of spin waves (SWs) as data carriers in spintronic and magnonic logic devices offers operation at low power consumption, free of Joule heating. Nevertheless, the controlled emission and propagation of SWs in magnetic materials…

Mesoscale and Nanoscale Physics · Physics 2020-09-29 Sebastian A. Diaz , Tomoki Hirosawa , Daniel Loss , Christina Psaroudaki

Spin-waves in antiferromagnets hold the prospects for the development of faster, less power-hungry electronics, as well as promising physics based on spin-superfluids and coherent magnon-condensates. For both these perspectives, addressing…

Mesoscale and Nanoscale Physics · Physics 2023-08-21 A. El Kanj , O. Gomonay , I. Boventer , P. Bortolotti , V. Cros , A. Anane , R. Lebrun

Spin waves have the potential to be used as a new platform for data transfer and processing as they can reach wavelengths in the nanometer range and frequencies in the terahertz range. To realize a spin-wave device, it is essential to be…

A circulator is one of the crucial devices in quantum networks and simulations. We propose a four-port circulator that regulate the flow of single photons at muti-frequency points by studying the coherent transmission of a single photon in…

Quantum Physics · Physics 2024-06-27 Jing Li , Tian-Xiang Lu , Meiyu Peng , Le-Man Kuang , Hui Jing , Lan Zhou

We present an approach enabling generation of narrow spin wave beams in thin homogeneous ferromagnetic films. The main idea is to match the wave vector of the spin wave with that corresponding to the spectral maximum of the exciting…

Mesoscale and Nanoscale Physics · Physics 2016-07-26 P. Gruszecki , A. E. Serebryannikov , W. Śmigaj , M. Krawczyk

We propose and describe a magnetic NanoFabric which provides a route to building reconfigurable spin-based logic circuits compatible with conventional electron-based devices. A distinctive feature of the proposed NanoFabric is that a bit of…

Other Condensed Matter · Physics 2009-11-13 Alexander Khitun , Mingqiang Bao , Kang L. Wang

Using the non-equilibrium statistical operator method (NSO), we have investigated the spin transport through the interface in a semiconductor/ferromagnetic insulator hybrid structure. We have analyzed the approximation of effective…

Mesoscale and Nanoscale Physics · Physics 2017-06-28 I. I. Lyapilin , M. S. Okorokov , V. V. Ustinov

Ferro- and ferrimagnets play host to small-signal, microwave-frequency magnetic excitations called spin waves, the quanta of which are known as magnons. Over the last decade, the field of spin-wave dynamics has contributed much to our…

Mesoscale and Nanoscale Physics · Physics 2015-02-24 Alexy D. Karenowska , Andrew D. Patterson , Michael J. Peterer , Einar B. Magnússon , Peter J. Leek

Spin waves are promising candidates for information carriers in advanced technology. The interactions between spin waves and acoustic waves in magnetic nanostructures are of much interest because of their potential application for spin wave…

Applied Physics · Physics 2019-03-20 Piotr Graczyk , Jarosław Kłos , Maciej Krawczyk

Spin transfer torque-induced high-frequency dynamics of single thin cobalt-layer nanopillars of circular and elliptical shape have been observed directly. Two types of precessional modes can be identified as a function of magnetic field…

Materials Science · Physics 2012-01-13 N. Müsgens , S. Fahrendorf , T. Maassen , A. Heiss , J. Mayer , B. Özyilmaz , B. Beschoten , G. Güntherodt

During the past ten years nanostructures have been subject of active research. Fabrication of such systems follows well developed methods. The increase in the number of materials available for research and applications requires that the…

Materials Science · Physics 2007-05-23 G. V. Kurlyandskaya , S. M. Bhagat

Nonlinear light-matter interactions and their applications are constrained by properties of available materials. The use of metamaterials opens the way to achieve precise control over electromagnetic properties at a microscopic level,…

Other Condensed Matter · Physics 2016-09-19 Dmitry Filonov , Yotam Kramer , Vitali Kozlov , Boris A. Malomed , Pavel Ginzburg

Surface curvature of magnetic systems can lead to many static and dynamic effects which are not present in flat systems of the same material. These emergent magnetochiral effects can lead to frequency nonreciprocity of spin waves, which has…

Mesoscale and Nanoscale Physics · Physics 2022-07-20 Lukas Körber , Roman Verba , Jorge A. Otálora , Volodymyr Kravchuk , Jürgen Lindner , Jürgen Fassbender , Attila Kákay

We present a theoretical study of spin-wave scattering by a twisted domain wall (DW) in a two-dimensional ferromagnet with easy-axis anisotropy. While the twisted DW generates an effective gauge field for spin waves, leading to a deflection…

Mesoscale and Nanoscale Physics · Physics 2026-01-15 Ehsan Faridi , Se Kwon Kim , Giovanni Vignale

We study numerically, analytically and experimentally the resonant transmission of light in a waveguide formed by a periodic array of high-index dielectric nanoparticles with a side-coupled resonator. We demonstrate that a resonator with…

Recent studies on spin-wave propagation in ferromagnetic waveguides has highlighted the role of nonreciprocity resulting from the chiral nature of dipolar interactions in curved elements. However, the impact of spin-wave mode type on…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Uladzislau Makartsou , Mateusz Gołębiewski , Attila Kákay , Olena Tartakivska , Maciej Krawczyk

Graphene is an ideal material for spin transport as very long spin relaxation times and lengths can be achieved even at room temperature. However, electrical spin injection is challenging due to the conductivity mismatch problem. Spin…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 D. I. Indolese , S. Zihlmann , P. Makk , C. Jünger , K. Thodkar , C. Schönenberger