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High piezoelectricity performance in PSBZT ceramic for ultrasonic transducer

    https://doi.org/10.1142/S2010135X23500121Cited by:7 (Source: Crossref)

    Lead zirconate titanate (PZT) ceramics possess great potential for practical applications and thus improving their piezoelectric properties is crucial. Pb0.99xSm0.01BaxZr0.53Ti0.47O3 (PSBZT) ceramics with high Curie temperature and excellent piezoelectric properties were fabricated via a conventional solid-state method, and the effect of Ba2+ doping on the structural, dielectric, piezoelectric and ferroelectric properties was studied in detail. It is shown that doping of Ba2+ significantly enhanced the piezoelectric properties of PSZT, the maximum d33533 pC/N and Tc361C at x= 0.02 were acquired. Furthermore, PSZT and PSBZT ceramics were used to prepare single element ultrasonic transducers, and their performance were compared and evaluated. The results demonstrate that the PSBZT ceramic-based transducer possesses better sensitivity and bandwidth than the PSZT ceramic-based transducer.