Fig. 5: RF characterization of the FeCAP resonators. | Microsystems & Nanoengineering

Fig. 5: RF characterization of the FeCAP resonators.

From: A tunable ferroelectric based unreleased RF resonator

Fig. 5

a Comparison of S21 for all the designs ac b Measured frequency response of design C. c Due to the ferroelectric hysteresis, the S21 magnitude demonstrates ‘butterfly’-shaped variations with changing poling voltage. d At coercive voltages of ±0.3 V, the FeCAP transducer can be completely switched off

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