Properties of low temperature sintered neodymium doped lead zirconate titanate ceramics

摘要: The sintering of conventional PZT ceramics is highly energy intensive because the normally carried out at 1200-1300 °C. This gives rise to a number processing difficulties such as containment PbO maintain stoichiometry. Therefore, development low temperature piezoelectric will greatly reduce consumption and associated environmental pollution. also open up possibility using less expensive metals in multilayer devices [1-4]. Most these investigations have found significant degradation properties. However, Zhilun et al. [1] successfully used this glass frit without causing any adverse effect on present work was undertaken use flit Pb(Zr,Ti)O3 which varying quantities Nd20 3 were added. A substantial enhancement properties grain refinement by neodymium addition has been observed [5]. an attempt made make bring about reduction containing their materials for PbO, ZrO2, TiO2 having purity 9 . 5 % These weighed corresponding composition Pb(Zr0.53Ti0.47)O3 + (0.00-5.00)mol% 3. 0.25BO1.5-0.5BiO1.5-0.25 CdO melted mixed (5 wt %) with basic compositions. compositions (PZT-F) sintered 970 °C, resulting density close 95% theoretical density. were, however, 1250 All specimens disc shaped; they coated fired-on silver paint polarized 130 °C high d.c. electric field. complete fabrication process shown Fig. 1. dielectric constant (e') measured HP-4192A LF impedance analyser i kHz electromechanical parameters evaluated accordance Institution Radio Engineers specification [6]. microstructural studies performed Jeol JSM35CF scanning electron microscope (SEM). caused changes almost all parameters, Table I. It can be seen from I that charge (d33) highest 2 mol Nd 3+ content, values loss (tanr) are 960 0.008 respectively. Material could immense importance if brought down. attention focused Pb(Zr0.53Ti0.47)O composition. shows variation PZT-F function temperature.