Effect of trivalent iron substitution on structure and properties of PLZT ceramics
作者： S. Dutta , R.N.P. Choudhary
DOI: 10.1007/S00339-007-4276-2
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摘要: Polycrystalline samples of Fe-modified PLZT (lead lanthanum zirconate titanate) are prepared by a mixed-oxide reaction technique. The formation the compound has been confirmed X-ray powder diffraction studies. unit cell structure material found to be rhombohedral. Fourier-transform infrared reflection (FTIR) spectra have recorded correspond structural changes associated with phase formation. effects Fe concentration on microstructure and dielectric constant materials investigated. ferroelectric transition PLFZT is studied using measurements, which shows shift in temperature towards higher-temperature side increased ion concentration. piezoelectric constants this system investigated same way changed contents main compound. optimum values Qm, kp, d33 73, 0.32 406. electrical conductivity increases increase
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