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The internal bias field effects in ferroelectrics had been widely investigated in past decade, but the reasons for the formation of internal bias field are still a lot of disputes. Our works were focused on the external environment-dependent behaviors of the internal bias field, which is critical important to explain the cause for the internal bias field formation. Experiments result that a large...
Lanthanum modified lead zirconate titanate ceramics with lanthanum content changing from 7.6 to 9.0at.% La and a Zr/Ti ratio of 70/30 (PLZT 100x/70/30) have been prepared by conventional high temperature solid-state reaction technique. The studies of the ferroelectric, electromechanical and dielectric properties of the ceramics were carried out. The results showed the enhanced antiferroelectricity...
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