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We report large nonreciprocity in the transmission of shear-horizontal surface acoustic waves (SAWs) on LiTaO3 substrate coated with a FeCoSiB/NiFeCu magnetoelastic bilayer. The large difference in saturation magnetization of the two layers…

Applied Physics · Physics 2023-09-19 Mingxian Huang , Yuanyuan Liu , Wenbin Hu , Yutong Wu , Wen Wang , Wei He , Huaiwu Zhang , Feiming Bai

We study the geometrical commensurability oscillations imposed onto the resistivity of 2D electrons in a perpendicular magnetic field by a propagating surface acoustic wave (SAW). We show that, for $\omega <\omega_{c}$, this effect is…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 John P. Robinson , Malcolm P. Kennett , Nigel R. Cooper , Vladimir I. Fal'ko

Surface acoustic waves (SAW) and associated SAW devices are ideal for sensing, metrology, and connecting and controlling hybrid quantum devices. While the advances demonstrated to date are largely based on electromechanical coupling, a…

A Love wave device was designed to generate surface acoustic waves (SAWs) with strong shear-horizontal polarization, interacting with a polycrystalline Fe72Ga28 magnetostrictive layer. The shear strain induced by these waves at a frequency…

When a surface acoustic wave propagates on the surface of a GaAs semiconductor, coupling between electrons in the two-dimensional electron gas beneath the interface and the elastic host crystal through piezoelectric interaction will…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Shi-Jie Yang , Hu Zhao , Yue Yu

From radio-electronics signal analysis to biological samples actuation, surface acoustic waves (SAW) are involved in a multitude of modern devices. Despite this versatility, SAW transducers developed up to date only authorize the synthesis…

Instrumentation and Detectors · Physics 2015-09-23 Antoine Riaud , Jean-Louis Thomas , Eric Charron , Adrien Bussonnière , Olivier Bou Matar , Michaël Baudoin

We investigate the propagation of surface acoustic waves (SAWs) in a layered half-space system comprising a continuous, sub-wavelength-thick layer weakly adhering to a substrate. Using finite element simulations, we demonstrate that this…

Applied Physics · Physics 2026-02-25 Martin Robin , Thomas Dehoux , Maroun Abi Ghanem

We have studied the transmission of surface acoustic waves (SAWs) in ferromagnetic/non-magnetic/ferromagnetic tryilayers. The SAW scattering matrix is studied for devices with various non-magnetic spacer thickness, which defines the…

Mesoscale and Nanoscale Physics · Physics 2022-09-02 Hiroki Matsumoto , Takuya Kawada , Mio Ishibashi , Masashi Kawaguchi , Masamitsu Hayashi

We demonstrate the efficient excitation of spin waves in the ultra-low magnetic damping material yttrium-iron-garnet (YIG) by surface acoustic waves (SAWs). To this end, we employ interdigital transducers fabricated on a piezoelectric zinc…

Harnessing the causal relationships between mechanical and magnetic properties of van der Waals materials presents a wealth of untapped opportunity for scientific and technological advancement, from precision sensing to novel memories. This…

The magnetization dynamics in nanostructures has been extensively studied in the last decades, and nanomagnetism has evolved significantly over that time, discovering new effects, developing numerous applications, and identifying promising…

Materials Science · Physics 2022-10-03 Mateusz Zelent , Mathieu Moalic , Olav Hellwig , Anjan Barman , Maciej Krawczyk

We investigate the propagation of a piezoelectric surface acoustic wave (SAW) across a GaAs/Al$_X$Ga$_{1-X}$As heterostructure surface, on which there is fixed a metallic split-gate. Our method is based on a finite element formulation of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. Rahman , M. Kataoka , C. H. W. Barnes , H. P. Langtangen

A fully self-consistent model for the excitation and reception of magnetostatic surface waves in thin ferromagnetic films by a set of coplanar antennas was developed and implemented numerically. The model assumes that the ferromagnetic film…

Applied Physics · Physics 2022-06-22 Charles Weiss , Matthieu Bailleul , Mikhail Kostylev

We propose a method to control surface phonon transport by weak magnetic fields based on the pumping of surface acoustic waves (SAWs) by magnetostriction. We predict that the magnetization dynamics of a nanowire on top of a dielectric films…

Mesoscale and Nanoscale Physics · Physics 2020-08-19 Xiang Zhang , Gerrit E. W. Bauer , Tao Yu

In this work, we study experimentally by broadband ferromagnetic resonance measurements, the dependence of the spin-wave excitation spectra on the magnetic applied field in CoFeB meander-shaped films. Two different orientations of the…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 A. V. Sadovnikov , G. Talmelli , G. Gubbiotti , E. N. Beginin , S. Sheshukova , S. A. Nikitov , C. Adelmann , F. Ciubotaru

We describe excitation of dipole-exchange spin waves in insulating magnetic thin films by spin current injection at the surface of the film. An easy-axis magnetic surface anisotropy can induce a non-chiral surface spin wave mode with…

Materials Science · Physics 2013-05-10 Jiang Xiao , Yan Zhou , Gerrit E. W. Bauer

We study the interaction of surface acoustic waves (SAWs) with the contact-based, axial vibrational resonance of 1 \mu m silica microspheres forming a two-dimensional granular crystal adhered to a substrate. The laser-induced transient…

Mesoscale and Nanoscale Physics · Physics 2013-10-17 N. Boechler , J. K. Eliason , A. Kumar , A. A. Maznev , K. A. Nelson , N. Fang

We report evidence of the magnetization reversal in nanoparticles by surface acoustic waves (SAWs). The experimental system consists of isolated magnetite nanoparticles dispersed on a piezoelectric substrate. Magnetic relaxation from a…

Mesoscale and Nanoscale Physics · Physics 2017-08-02 J. Tejada , E. M. Chudnovsky , R. Zarzuela , N. Statuto , J. Calvo-de la Rosa , P. V. Santos , A. Hernandez-Minguez

We employ a millimeter-scale piezoelectric acoustic actuator, which generates MHz-frequency surface acoustic waves (SAWs) in a solid substrate, to actively coat a drop of water by a macroscopic film of silicon oil as a paradigm for a small…

Soft Condensed Matter · Physics 2023-01-24 Avital Reizman , Amihai Horesh , Lou Kondic , Ofer Manor

In this work, we study magnon-magnon coupling in synthetic antiferromagnets (SyAFs) using microwave spectroscopy at room temperature. Two distinct spin-wave modes are clearly observed and are hybridised at degeneracy points. We provide a…

Materials Science · Physics 2020-09-16 A. Sud , C. W. Zollitsch , A. Kamimaki , T. Dion , S. Khan , S. Iihama , S. Mizukami , H. Kurebayashi