Abstract
In this work, PZ–PNN ceramic was prepared by a columbite method and sintered at optimum temperature. The effect of uniaxial compressive stress on the hysteresis properties of PZ–PNN ceramics is investigated. The hysteresis loop and ferroelectric properties under the compressive stress of the ceramics are observed at stress up to 100 MPa using a compressometer in conjunction with a modified Sawyer–Tower circuit. The results show that the applied stress has a significant influence on the hysteresis of PZ–PNN ceramics. The ferroelectric characteristics, i.e. the area of loops, P s and P r decrease with increasing compressive stress.
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