Journal
APPLIED PHYSICS LETTERS
Volume 120, Issue 20, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0093357
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Funding
- French Agence Nationale de la Recherche (FORMOSA Project) [ANR-18-ASMA-0003-01]
- Agence Innovation Defense
- Region Hauts de France
- Agence Nationale de la Recherche (ANR) [ANR-18-ASMA-0003] Funding Source: Agence Nationale de la Recherche (ANR)
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This study presents a new solution for achieving tunable surface acoustic wave (SAW) components based on the electrical Bragg band gap concept. The concept is validated on a SAW resonator on a LiNbO3 substrate, showing that the main resonance frequency can be shifted by modifying the electrical condition on the cavity's mirrors.
A proof of concept of a new solution for achieving tunable SAW components based on the electrical Bragg band gap concept developed for piezoelectric phononic crystals is presented on a SAW resonator on a LiNbO3 substrate. In this work, it is shown that for a fixed geometry, it is possible to shift the main resonance frequency by modifying the electrical condition on the electrodes that constitute the cavity's mirrors. The concept was validated by both numerical simulations and experimental characterization of single port resonators fabricated on LiNbO3. Published under an exclusive license by AIP Publishing.
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