Magnetically Controlled Surface Acoustic Waves on Multiferroic BiFeO3

Y. Ishii; R. Sasaki; Y. Nii; T. Ito; Y. Onose

doi:10.1103/PhysRevApplied.9.034034

Magnetically Controlled Surface Acoustic Waves on Multiferroic BiFeO3

Y. Ishii, R. Sasaki, Y. Nii, T. Ito, Y. Onose

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

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.

Original language	English
Article number	034034
Journal	Physical Review Applied
Volume	9
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevApplied.9.034034
Publication status	Published - 2018 Mar 30
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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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.",

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AU - Onose, Y.

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AB - 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.

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