Pb0.92La0.08(Zr0.65Ti0.35) o.98O3 (PLZT) nanosized powder was prepared from the corresponding nitrate alnd H2O2 by thermal decomposition of the peroxide. FT-IR, DTA-TG, XRD, TEM, and chemical analyses indicated that: ...Pb0.92La0.08(Zr0.65Ti0.35) o.98O3 (PLZT) nanosized powder was prepared from the corresponding nitrate alnd H2O2 by thermal decomposition of the peroxide. FT-IR, DTA-TG, XRD, TEM, and chemical analyses indicated that: (l) Peroxide precursor of PLZT was composed of Pbo.92La0.08 (Zr0.65Ti0.35)0.98O2 (O2) 3H2O; (2) PLZT started to form at 5500C, but PbO and PbZro3 still existed; (3) homogeneous tetragonal crystals of PLZT were formed at 7000C, with average particle diameter Of 22nm; (4) the sizes of the crystals increased with increasing calcination temperatures, crystals of PLZT were formed at 8500C with average particle diameter of 56nm.展开更多
文摘Pb0.92La0.08(Zr0.65Ti0.35) o.98O3 (PLZT) nanosized powder was prepared from the corresponding nitrate alnd H2O2 by thermal decomposition of the peroxide. FT-IR, DTA-TG, XRD, TEM, and chemical analyses indicated that: (l) Peroxide precursor of PLZT was composed of Pbo.92La0.08 (Zr0.65Ti0.35)0.98O2 (O2) 3H2O; (2) PLZT started to form at 5500C, but PbO and PbZro3 still existed; (3) homogeneous tetragonal crystals of PLZT were formed at 7000C, with average particle diameter Of 22nm; (4) the sizes of the crystals increased with increasing calcination temperatures, crystals of PLZT were formed at 8500C with average particle diameter of 56nm.
