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Piezoelectric Material And One-Dimensional Phononic Crystal

Author

Listed:
  • ARAFA H. ALY

    (Physics department, Faculty of Science, Beni-Suef University, Egypt)

  • AHMED NAGATY

    (Physics department, Faculty of Science, Beni-Suef University, Egypt)

  • Z. KHALIFA

    (Physics department, Faculty of Science, Beni-Suef University, Egypt)

Abstract

We have theoretically obtained the transmittance properties of one-dimensional phononic crystals incorporating a piezoelectric material as a defect layer. We have used the transfer matrix method in our analysis with/without defect materials. By increasing the thickness of the defect layer, we obtained a sharp peak created within the bandgap, that indicates to the significance of defect layer thickness on the band structure. The localized modes and a particular intensity estimated within the bandgap depend on the piezoelectric material properties. By applying different quantities of an external electric field, the position of the peak shifts to different frequencies. The electric field induces a relative change in the piezoelectric thickness. Our structure may be very useful in some applications such as sensors, acoustic switches, and energy applications.

Suggested Citation

  • Arafa H. Aly & Ahmed Nagaty & Z. Khalifa, 2019. "Piezoelectric Material And One-Dimensional Phononic Crystal," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(02), pages 1-5, February.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:02:n:s0218625x18501445
    DOI: 10.1142/S0218625X18501445
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