Title :
Synthesis of nanosize PZT powders by pulsed wire discharge
Author :
Kinemuchi, Yoshiaki ; Ikeuchi, Tadashi ; Suzuki, Tsuneo ; Suematsu, Hisayuki ; Jiang, Weihua ; Yatsui, Kiyoshi
Author_Institution :
Extreme Energy-Density Res. Inst., Nagaoka Univ. of Technol., Niigata, Japan
fDate :
10/1/2002 12:00:00 AM
Abstract :
Nanosize ferroelectric powders of Pb(Zr,Ti)O3 (PZT) have been successfully synthesized by pulsed wire discharge. This has been achieved by the evaporation of Pb, Zr, and Ti wires simultaneously. Since these metals have considerable difference at the boiling point, instant heating by using pulsed-power technology has a great advantage in producing mixed vapors consisting of the metals. Ferroelectrics have been obtained by subsequent heat treatment at 800°C. A dense sintered body of Pb(Zr,Ti)O3, with relative density of 95%, was obtained by the low temperature sintering at 800°C for 30 min, possibly due to the large specific surface area (13.2 m2/g) of nanosize powders.
Keywords :
discharges (electric); ferroelectric materials; heat treatment; lead compounds; nanostructured materials; plasma chemistry; powders; sintering; 30 min; 800 C; Pb; Pb wires; Pb(Zr,Ti)O3; Pb(Zr-Ti)O3; Ti; Ti wires; Zr; Zr wires; boiling point; dense sintered body; evaporation; ferroelectrics; heat treatment; instant heating; low temperature sintering; mixed vapors; nanosize PZT powder synthesis; nanosize ferroelectric powders; pulsed wire discharge; pulsed-power technology; specific surface area; Chemical vapor deposition; Commercialization; Costs; Ferroelectric materials; Heat treatment; Milling; Powders; Solid state circuits; Wire; Zirconium;
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2002.805374
