Direct Imaging of Resonant Phonon-Magnon Coupling

Zhao, Chenbo; Zhang, Zhizhi; Li, Yi; Zhang, Wei; Pearson, John E.; Divan, Ralu; Liu, Qingfang; Novosad, Valentine; Wang, Jianbo; Hoffmann, Axel

doi:10.1103/physrevapplied.15.014052

Title: Direct Imaging of Resonant Phonon-Magnon Coupling

Abstract

Detection of phonons is critical for research on the interconversion between resonantly coupled magnons and phonons. Here we report the direct visualization of the resonant coupling of magnons and phonons by microfocused Brillouin light scattering on the Ni/Li Nb O₃ hybrid heterostructure. The static patterns of surface acoustic wave phonons, originating from the interference between the incident wave ψ₀ (A₀, k, φ₀) and reflected wave ψ₁ (A₁, - k, φ₁), can be modulated by magnetic field due to the magnon-phonon coupling. By analyzing the information of phonons obtained from Brillouin spectroscopy, the properties of the magnon system (Ni film), e.g., ferromagnetic resonance field and resonance linewidth, can be determined. The results provide spatially resolved information about phonon manipulation and detection in a coupled magnon-phonon system.

Authors:

^[1]; Zhang, Zhizhi ^[2]; Li, Yi ^[2]; Zhang, Wei ^[3];

^[2]; Divan, Ralu ^[4]; Liu, Qingfang ^[5]; Novosad, Valentine ^[2]; Wang, Jianbo ^[5]; Hoffmann, Axel ^[6]

Argonne National Lab. (ANL), Argonne, IL (United States); Lanzhou Univ. (China)
Argonne National Lab. (ANL), Argonne, IL (United States)
Oakland Univ., Rochester, MI (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States). Center for Nanoscale Materials
Lanzhou Univ. (China)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois at Urbana-Champaign, IL (United States)

Publication Date:: Wed Jan 27 00:00:00 EST 2021

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1797806

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Applied

Additional Journal Information:: Journal Volume: 15; Journal Issue: 1; Journal ID: ISSN 2331-7019

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Zhao, Chenbo, Zhang, Zhizhi, Li, Yi, Zhang, Wei, Pearson, John E., Divan, Ralu, Liu, Qingfang, Novosad, Valentine, Wang, Jianbo, and Hoffmann, Axel. Direct Imaging of Resonant Phonon-Magnon Coupling.  United States: N. p., 2021. 
Web.  doi:10.1103/physrevapplied.15.014052.

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                    Zhao, Chenbo, Zhang, Zhizhi, Li, Yi, Zhang, Wei, Pearson, John E., Divan, Ralu, Liu, Qingfang, Novosad, Valentine, Wang, Jianbo, & Hoffmann, Axel. Direct Imaging of Resonant Phonon-Magnon Coupling.  United States.  https://doi.org/10.1103/physrevapplied.15.014052

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                    Zhao, Chenbo, Zhang, Zhizhi, Li, Yi, Zhang, Wei, Pearson, John E., Divan, Ralu, Liu, Qingfang, Novosad, Valentine, Wang, Jianbo, and Hoffmann, Axel. Wed .  
"Direct Imaging of Resonant Phonon-Magnon Coupling".  United States.  https://doi.org/10.1103/physrevapplied.15.014052.  https://www.osti.gov/servlets/purl/1797806.

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@article{osti_1797806,

  title        = {Direct Imaging of Resonant Phonon-Magnon Coupling},

  author       = {Zhao, Chenbo and Zhang, Zhizhi and Li, Yi and Zhang, Wei and Pearson, John E. and Divan, Ralu and Liu, Qingfang and Novosad, Valentine and Wang, Jianbo and Hoffmann, Axel},

  abstractNote = {Detection of phonons is critical for research on the interconversion between resonantly coupled magnons and phonons. Here we report the direct visualization of the resonant coupling of magnons and phonons by microfocused Brillouin light scattering on the Ni/Li Nb O3 hybrid heterostructure. The static patterns of surface acoustic wave phonons, originating from the interference between the incident wave ψ0 (A0, k, φ0) and reflected wave ψ1 (A1, - k, φ1), can be modulated by magnetic field due to the magnon-phonon coupling. By analyzing the information of phonons obtained from Brillouin spectroscopy, the properties of the magnon system (Ni film), e.g., ferromagnetic resonance field and resonance linewidth, can be determined. The results provide spatially resolved information about phonon manipulation and detection in a coupled magnon-phonon system.},

  doi          = {10.1103/physrevapplied.15.014052},

  journal      = {Physical Review Applied},

  number       = 1,

  volume       = 15,

  place        = {United States},

  year         = {Wed Jan 27 00:00:00 EST 2021},

  month        = {Wed Jan 27 00:00:00 EST 2021}

}

Copy to clipboard

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Title: Direct Imaging of Resonant Phonon-Magnon Coupling

Abstract

Citation Formats

Nonreciprocal propagation of surface acoustic wave in Ni / LiNbO 3 journal, January 2017

Traveling surface spin-wave resonance spectroscopy using surface acoustic waves journal, December 2015

Reconfigurable nanoscale spin-wave directional coupler journal, January 2018

Brillouin microscopy on microwave-induced phonons in LiNbO 3 journal, January 2004

Elastically Driven Ferromagnetic Resonance in Nickel Thin Films journal, March 2011

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Surface acoustic wave driven ferromagnetic resonance in nickel thin films: Theory and experiment journal, October 2012

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Optical find of hypersonic surface acoustic waves in bulk transparent materials
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Nonreciprocal Surface Acoustic Waves in Multilayers with Magnetoelastic and Interfacial Dzyaloshinskii-Moriya Interactions
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