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Surface Acoustic Waves (SAW) have been utilized to investigate the properties of a two-dimensional electron system, subjected to a perpendicular magnetic field and monochromatic microwave radiation, in the regime where the so-called…

介观与纳米尺度物理 · 物理学 2020-03-25 Benedikt Friess , Ivan A. Dmitriev , Vladimir Umansky , Loren Pfeiffer , Ken West , Klaus von Klitzing , Jurgen H. Smet

Surface acoustic waves (SAWs) traveling on the surface of a piezoelectric crystal can, through the magnetoelastic interaction, excite traveling spin-wave resonance in a magnetic film deposited on the substrate. This spin-wave resonance in…

材料科学 · 物理学 2016-09-29 Praveen G. Gowtham , Dominic Labanowski , Sayeef Salahuddin

Surface acoustic waves (SAWs) have emerged as innovative and energy-efficient means to manipulate domain walls (DWs) and skyrmions in thin films with perpendicular magnetic anisotropy (PMA) owing to the magnetoelastic coupling effect. This…

应用物理 · 物理学 2023-11-28 Jintao Shuai

The dependence of the velocity of surface acoustic wave (SAW) as a function of an external applied magnetic field is investigated in a Fe thin film epitaxially grown on a piezoelectric GaAs substrate. The SAW velocity is observed to…

Elastic waves propagating in piezoelectric materials are accompanied by a time-varying electric potential, which is of critical importance for acousto-electronic applications. The spatial mapping of such a potential at microwave frequencies…

介观与纳米尺度物理 · 物理学 2018-06-25 Lu Zheng , Di Wu , Xiaoyu Wu , Keji Lai

The propagation of a surface acoustic wave (SAW) on GaAs/AlGaAs heterostructures is studied in the case where the two-dimensional electron gas (2DEG) is subject to a strong magnetic field and a smooth random potential with correlation…

介观与纳米尺度物理 · 物理学 2009-10-28 Andreas Knaebchen , Yehoshua Levinson , Ora Entin-Wohlman

The electromotive forces induced by surface acoustic waves (SAWs) are investigated in ferromagnetic thin films. CoFeB thin films deposited on LiNbO$_3$ substrates are patterned into Hall-bars to study the acoustoelectric transport…

介观与纳米尺度物理 · 物理学 2019-10-08 Takuya Kawada , Masashi Kawaguchi , Masamitsu Hayashi

We study the coupling mechanism of surface acoustic waves (SAW) with spin waves (SW) using micromagnetic analysis. The SAW magnetoacoustic excitation field is fully implemented, i.e., all strain and lattice-rotation terms are included. A…

介观与纳米尺度物理 · 物理学 2026-04-08 Florian Millo , Pauline Rovillain , Massimiliano Marangolo , Daniel Stoeffler

Coherent gigahertz-frequency surface acoustic waves (SAWs) traveling on the surface of a piezoelectric crystal can, via the magnetoelastic interaction, resonantly excite traveling spin waves in an adjacent thin-film ferromagnet. These…

材料科学 · 物理学 2016-03-10 Praveen G. Gowtham , Takahiro Moriyama , Daniel C. Ralph , Robert A. Buhrman

This article reviews the main theoretical and experimental advances regarding the interaction between surface acoustic waves (SAWs) and electronic excitations in graphene. The coupling of the graphene electron gas to the SAW piezoelectric…

介观与纳米尺度物理 · 物理学 2019-02-26 A. Hernández-Mínguez , Y. -T. Liou , P. V. Santos

Piezoelectric surface acoustic waves (SAWs) are powerful for investigating and controlling elementary and collective excitations in condensed matter. In semiconductor two-dimensional electron systems SAWs have been used to reveal the…

量子物理 · 物理学 2021-07-09 H. Byeon , K. Nasyedkin , J. R. Lane , N. R. Beysengulov , L. Zhang , R. Loloee , J. Pollanen

We study theoretically the piezoelectric interaction of a surface acoustic wave (SAW) with a two-dimensional electron gas confined to an isolated quantum dot. The electron motion in the dot is diffusive. The electron-electron interaction is…

凝聚态物理 · 物理学 2008-02-03 Andreas Knaebchen , Yehoshua Levinson , Ora Entin-Wohlman

Surface acoustic waves (SAWs) coupled to magnons have attracted much attention because they allow for the long-range transport of magnetic information which cannot be achieved by magnon alone. We employed pulsed laser interferometry to…

材料科学 · 物理学 2024-04-30 Kazuki Maezawa , Shun Fujii , Kazuto Yamanoi , Yukio Nozaki , Shinichi Watanabe

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…

应用物理 · 物理学 2026-02-25 Martin Robin , Thomas Dehoux , Maroun Abi Ghanem

We report a development of an electro-optomechanical system based on a surface acoustic wave (SAW), where a piezoelectric material with a large optoelastic susceptibility is used for the coupling of both a radio wave and optical light to…

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…

We report on the resonant excitation of spin waves in micro-structured magnetic thin films by surface acoustic waves (SAWs). The spin waves as well as the acoustic waves are studied by micro-focused Brillouin light scattering spectroscopy.…

The interaction of a surface acoustic wave (SAW) with a a two-dimensional electron gas in a periodic electric potential and a classical magnetic field is considered. We calculate the attenuation of the SAW and its velocity change and show…

凝聚态物理 · 物理学 2009-10-30 Y. Levinson , O. Entin-Wohlman , A. D. Mirlin , P. Woelfle

Inverse magnetostriction is the effect by which magnetization can be changed upon application of stress/strain. A strain modulation may be created electrically by exciting interdigitated transducers to generate surface acoustic waves…

Surface acoustic wave (SAW) is utilized in diverse fields ranging from physics, engineering, to biology, for transducing, sensing and processing various signals. Optical measurement of SAW provides valuable information since the amplitude…

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