Dielectric, piezoelectric, and ferroelectric properties of lanthanum-modified PZTFN ceramics
作者： Arvind Kumar , S. K. Mishra
DOI: 10.1007/S12613-014-1003-9
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摘要: Specimens of Pb1−1.5xLax(Zr0.53Ti0.47)1−y−zFeyNbzO3 (x = 0, 0.004, 0.008, 0.012, and 0.016, y z 0.01) (PZTFN) ceramics were synthesized by a semi-wet route. In the present study, effect La doping was investigated on structural, microstructural, dielectric, piezoelectric, ferroelectric properties ceramics. The results show that, tetragonal (space group P4mm) rhombohedral R3c) phases are observed to coexist in sample at x 0.012. Microstructural investigations all samples reveal that inhibits grain growth. Doping into PZTFN improves ferroelectric, piezoelectric hysteresis loops specimens exhibit nonlinear behavior. maximum response ≥ which corresponds morphotropic phase boundary (MPB).
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