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Confined spin-wave modes are a promising object for studying nonlinear effects and future quantum technologies. Here, using micromagnetic simulations, we use a microwave magnetic field from a coplanar waveguide (CPW) to pump a standing…

Mesoscale and Nanoscale Physics · Physics 2023-11-27 Nikhil Kumar , Paweł Gruszecki , Mateusz Gołębiewski , Jarosław W. Kłos , Maciej Krawczyk

We analyze resonant magneto-elastic interactions between standing perpendicular spin wave modes (exchange magnons) and longitudinal acoustic phonon modes in free-standing hybrid metal-ferromagnet bilayer and trilayer structures. Whereas the…

Sideband-resolved coupling between multiple photonic nanocavities and propagating mechanical waves in microwave Ku-band is demonstrated. Coherent and strong photon-phonon interaction is manifested with optomechanically induced transparency…

Optics · Physics 2015-07-06 Huan Li , Semere A. Tadesse , Qiyu Liu , Mo Li

Magnetophononics, the modulation of magnetic interactions by driving infrared-active lattice excitations, is emerging as a key mechanism for the ultrafast dynamical control of both semiclassical and quantum spin systems by coherent light.…

Strongly Correlated Electrons · Physics 2023-05-15 M. Yarmohammadi , M. Krebs , G. S. Uhrig , B. Normand

We present a scanning transmission x-ray microscopy setup combined with a novel microwave synchronization scheme in order to study high frequency magnetization dynamics at synchrotron light sources. The sensitivity necessary to detect small…

Novel magnetic structures with precisely controlled dimensions and shapes at the nanoscale have potential applications in spin logic, spintronics and other spin-based communication devices. We report the fabrication of two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2019-01-29 Nikita Porwal , Sucheta Mondal , Samiran Choudhury , Anulekha De , Jaivardhan Sinha , Anjan Barman , Prasanta Kumar Datta

We use a surface acoustic wave (SAW) cavity resonator to study the coupling of acoustic magnons in a synthetic antiferromagnet (SAF) and the phonons carried by SAWs. The SAF is composed of a CoFeB/Ru/CoFeB trilayer and the scattering matrix…

Mesoscale and Nanoscale Physics · Physics 2023-11-10 Hiroki Matsumoto , Isamu Yasuda , Motoki Asano , Takuya Kawada , Masashi Kawaguchi , Daiki Hatanaka , Masamitsu Hayashi

We theoretically and numerically elucidate the electrical control over spin waves in antiferromagnetic materials (AFM) with biaxial anisotropies and Dzyaloshinskii-Moriya interactions. The spin wave dispersion in an AFM manifests as a…

Applied Physics · Physics 2024-11-21 T. H. Kim , Jung-Il Kim , Geun-Ju Kim , Kwang-Ho Jang , G. -M. Choi

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

The coupling of micro- or nanomechanical resonators via a shared substrate is intensively exploited to built systems for fundamental studies and practical applications. So far, the focus has been on devices operating in the kHz regime with…

Applied Physics · Physics 2021-08-30 Hendrik Kähler , Daniel Platz , Silvan Schmid

Ferromagnet/superconductor heterostructures allow for the combination of unique physical phenomena offered by the both fields of magnetism and superconductivity. It was shown recently that spin waves can be efficiently scattered in such…

Superconductivity · Physics 2021-11-10 Oleksandr V. Dobrovolskiy , Andrii V. Chumak

The quadruple Calcium manganite (CaMn7O12) is a multiferroic material that exhibits a giant magnetically-induced ferroelectric polarization which makes it very interesting for magnetoelectric applications. Here, we report the Raman…

Strongly Correlated Electrons · Physics 2019-01-16 C. Toulouse , C. Martin , M-A. Measson , Y. Gallais , A. Sacuto , M. Cazayous

Current-induced self-sustained magnetization oscillations in spin-torque nano-oscillators (STNOs) are promising candidates for ultra-agile microwave sources or detectors. While usually STNOs behave as a monochrome source, we report here…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 A. Hamadeh , D. Slobodianiuk , R. Moukhader , G. Melkov , V. Borynskyi , M. Mohseni , G. Finocchio , V. Lomakin , R. Verba , G. de Loubens , P. Pirro , O. Klein

A minimally invasive technique is proposed for detecting the differential spin conductance and spin current noise across a junction between two quantum magnets using a high-quality microwave resonator coupled to a transmission line which is…

Mesoscale and Nanoscale Physics · Physics 2019-05-27 Joshua Aftergood , Mircea Trif , So Takei

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

Nanoparticles levitated in vacuum can be set to spin at ultimate frequencies, limited only by the tensile strength of the material. At such high frequencies, drastic changes to the dynamics of solid-state quantum excitations are to be…

Mesoscale and Nanoscale Physics · Physics 2020-05-14 Daniel Hümmer , René Lampert , Katja Kustura , Patrick Maurer , Carlos Gonzalez-Ballestero , Oriol Romero-Isart

The coupling between electrons and phonons is at the heart of many fundamental phenomena in physics. In nature, this coupling is generally predetermined for both, molecules and solids. Tremendous advances have been made in controlling…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Avishai Benyamini , Assaf Hamo , Silvia Viola Kusminskiy , Felix von Oppen , Shahal Ilani

We propose a mechanism for magnon-plasmon coupling and hybridization in ferromagnetic (FM) and antiferromagnetic (AFM) systems. The electric field associated with plasmon oscillations creates a non-equilibrium spin density via the inverse…

Mesoscale and Nanoscale Physics · Physics 2023-07-26 Anna Dyrdał , Alireza Qaiumzadeh , Arne Brataas , Józef Barnaś

Three-wave scattering is a fascinating phenomenon with many applications in various technologies. Reducing the system symmetry greatly affects three-wave scattering, which, in this case, goes beyond the simple momentum conservation law. In…

Mesoscale and Nanoscale Physics · Physics 2025-08-05 Julia Kharlan , Roman Verba , Krzysztof Sobucki , Paweł Gruszecki , Maciej Krawczyk

Quantum spin systems exhibit an enormous range of collective excitations, but their spin waves, gapped triplons, fractional spinons, or yet other modes are generally held to be mutually exclusive. Here we show by neutron spectroscopy on…