A planar-electrode X HTBAR on 128° Y-cut LiNbO3 achieves >99% energy transfer efficiency, comb-like spectra from 0.1-1.8 GHz, Q factors of 10^3-10^5, and tunable mode volumes from 0.008-0.064 mm³ while suppressing spurious modes.
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Impedance-matched High-Overtone Thickness-Shear Bulk Acoustic Resonators with Scalable Mode Volume
A planar-electrode X HTBAR on 128° Y-cut LiNbO3 achieves >99% energy transfer efficiency, comb-like spectra from 0.1-1.8 GHz, Q factors of 10^3-10^5, and tunable mode volumes from 0.008-0.064 mm³ while suppressing spurious modes.