Magnetically Controlled Surface Acoustic Waves on Multiferroic BiFeO<sub>3</sub>

ORAL

Abstract

We fabricate a surface acoustic wave (SAW) device on a multiferroic BiFeO3 crystal while SAW devices are usually fabricated on nonmagnetic piezoelectrics and commercially available as bandpass filters. By using the time-domain technique, we demonstrate the SAW excitation on BiFeO3. The amplitude and phase of the SAW signal are modulated by the external magnetic field reflecting the multiferroicity of BiFeO3. The magnetic controllability of the multiferroic SAW device seems useful for the further functionalization of the SAW device.

*This work was in part supported by the Grants-in-Aid for Scientific Research (Grants No. 25247058, No. 16H04008, No. 15K21622, and No. 17H05176) and The Murata Science Foundation.

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Presenters

  • Ryo Sasaki

    • Department of Basic Science, University of Tokyo

Authors

  • Ryo Sasaki

    • Department of Basic Science, University of Tokyo

  • Yuta Ishii

    • Department of Basic Science, University of Tokyo

  • Yoichi Nii

    • Institute for Materials Research, Tohoku University

  • Toshimitsu Ito

    • AIST
    • National Institute of Advanced Industrial Science and Technology (AIST)
    • AIST, Japan

  • Yoshinori Onose

    • Institute for Materials Research, Tohoku University