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We present a joint experimental and theoretical study of parametric resonance of spin wave eigenmodes in Ni$_{80}$Fe$_{20}$/Pt bilayer nanowires. Using electrically detected magnetic resonance, we measure the spectrum of spin wave…

Mesoscale and Nanoscale Physics · Physics 2022-10-19 Liu Yang , Alejandro A. Jara , Zheng Duan , Andrew Smith , Brian Youngblood , Rodrigo E. Arias , Ilya N. Krivorotov

We have developed a simple detection scheme to study spin waves excited by surface acoustic wave (SAW) in ferromagnetic thin films. Metallic antennas made of Ta and a ferromagnetic element are placed along the SAW propagation path. The SAW…

Mesoscale and Nanoscale Physics · Physics 2024-03-20 Hiroki Matsumoto , Yasuhiro Todaka , Takuya Kawada , Masashi Kawaguchi , Masamitsu Hayashi

The increasing demand for ultrahigh data storage densities requires development of 3D magnetic nanostructures. In this regard, focused electron beam induced deposition (FEBID) is a technique of choice for direct-writing of various complex…

Mesoscale and Nanoscale Physics · Physics 2020-06-02 O. V. Dobrovolskiy , S. A. Bunyaev , N. R. Vovk , D. Navas , P. Gruszecki , M. Krawczyk , R. Sachser , M. Huth , A. V. Chumak , K. Y. Guslienko , G. N. Kakazei

Magnomechanical systems with YIG spheres have been proven to be an ideal system for studying magnomechanically induced transparency, dynamical backaction, and rich nonlinear effects, such as the magnon-phonon cross-Kerr effect. Accurate…

Quantum Physics · Physics 2026-05-26 Xiaomin Liu , Jing Zhang , Jie Li , Rongguo Yang , Jiangrui Gao , Tiancai Zhang

Recently there have been several theoretical and experimental studies of the prospects for magnetic field sensors based on crystal defects, especially nitrogen vacancy (NV) centres in diamond. Such systems could potentially be incorporated…

Materials Science · Physics 2011-11-15 Marcus Schaffry , Erik M. Gauger , John J. L. Morton , Simon C. Benjamin

Electron spins coupled with optical transitions in solids stand out as a promising platform for developing spin-based quantum technologies. Recently, hexagonal boron nitride (hBN) - a layered Van der Waals (vdW) crystal, has emerged as a…

In the rich phases of van der Waals (vdW) materials featuring intertwined electronic order and collective phenomena, characterizing elementary dynamics that entail the low-energy Hamiltonian and electronic degrees of freedom is of paramount…

Two dimensional van der Waals crystals and their heterostructures provide an exciting alternative to bulk wide bandgap semiconductors as hosts of single photon emitters. Amongst different layered materials, bright and robust defect-based…

Materials Science · Physics 2020-07-01 Pratibha Dev

The objective of this paper is to draw attention to a possible new approach for measuring the spin excitation spectrum of a spin array by placing it in intimate contact with the channel of a spin-valve device in an anti-parallel (AP)…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Sayeef Salahuddin , Supriyo Datta

Magnon spintronics aims to harness spin waves in magnetic films for information technologies. Color center magnetometry is a promising tool for imaging spin waves, using electronic spins associated with atomic defects in solid-state…

We present a comprehensive investigation of propagating spin waves in nanometer-thick yttrium iron garnet (YIG) films. We use broadband spin-wave spectroscopy with integrated coplanar waveguides (CPWs) and microstrip antennas on top of…

Mesoscale and Nanoscale Physics · Physics 2019-01-02 Huajun Qin , Sampo J. Hämäläinen , Kristian Arjas , Jorn Witteveen , Sebastiaan van Dijken

Motivated by the importance of magnetization dynamics in nanomagnets for the development and optimization of magnetic devices and sensors, we measured and modeled spin wave spectra in patterned elliptical nanomagnets. Ferromagnetic…

Materials Science · Physics 2021-02-03 H. T. Nembach , R. D. McMichael , M. L. Schneider , J. M. Shaw , T. J. Silva

Hexagonal boron nitride (hBN) has emerged as a promising material platform for nanophotonics and quantum sensing, hosting optically-active defects with exceptional properties such as high brightness and large spectral tuning. However,…

We describe synthesis of submicron Y3Fe5O12 (YIG) films sputtered on GaAs-based substrates and present results of the investigation of ferromagnetic resonance (FMR), spin wave propagation and interaction between spin excitations and 2D…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 L. V. Lutsev , A. I. Stognij , N. N. Novitskii , V. E. Bursian , A. Maziewski , R. Gieniusz

Yttrium iron garnet (YIG) is a magnetic insulator with record-low damping, allowing spin-wave transport over macroscopic distances. Doping YIG with gallium ions greatly reduces the demagnetizing field and introduces a perpendicular magnetic…

Mesoscale and Nanoscale Physics · Physics 2021-11-25 Joris J. Carmiggelt , Olaf C. Dreijer , Carsten Dubs , Oleksii Surzhenko , Toeno van der Sar

The nitrogen-vacancy (NV) center in diamond has been extensively studied in recent years for its remarkable quantum coherence properties that make it an ideal candidate for room temperature quantum computing and quantum sensing schemes.…

In two-dimensional van der Waals (vdW) magnets, the presence of magnetic orders, strong spin-orbit coupling and asymmetry at interfaces is the key ingredient for hosting chiral spin textures. However, experimental evidences for chiral…

Materials Science · Physics 2019-07-22 Hong Wang , Cuixiang Wang , Yan Zhu , Zi-An Li , Hongbin Zhang , Huanfang Tian , Youguo Shi , Huaixin Yang , Jianqi Li

In a recent inelastic neutron scattering experiment in the pseudogap state of the high temperature superconductor $\mathrm{YBa_{2}Cu_{3}O_{6.6}}$ an unusual `vertical' dispersion of the spin excitations with a large in-plane anisotropy was…

Superconductivity · Physics 2015-03-20 Chen-Hsuan Hsu , Zhiqiang Wang , Sudip Chakravarty

In spintronics the propagation of spin-wave excitations in magnetically ordered materials can also be used to transport and process information. One of the most popular materials in this regard is the ferrimagnetic insulator…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Rouven Dreyer , Niklas Liebing , Eric R. J. Edwards , Andreas Müller , Georg Woltersdorf

The formation and properties of envelope dispersive shock wave (DSW) excitations from repulsive nonlinear waves in a magnetic film are studied. Experiments involve the excitation of a spin-wave step pulse in a low-loss magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-07-19 P. A. Praveen Janantha , Patrick Sprenger , Mark A. Hoefer , Mingzhong Wu