Jpn. J. Appl. Phys. 36 (1997) pp. 6031-6034  |Next Article|  |Table of Contents|
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Crystal Growth of Lead Zirconate Titanate with Additives under Hydrothermal Conditions

Kazumichi Yanagisawa and Hideyuki Kanai¹

(Received May 6, 1977; accepted for publication July 15, 1997)

Single crystals of lead zirconate titanate (PZT) with an additive such as La₂O₃, Nb₂O₃ or MnO were grown under hydrothermal conditions with the starting nutrient of PZT ceramic powder based on Pb(Zr_0.53Ti_0.47)O₃. The powder placed at the bottom of the capsule was dissolved in the KF solution at 640° C, and recrystallized at the top of the capsule at 600° C. Large crystals up to 1.8 mm in length were grown in 45 wt% KF solution, but a decrease in the concentration resulted in the reduction of the volume and size of the grown crystals. The addition of Nb to PZT ceramics inhibited the growth of the crystals. The additives in the starting materials were incorporated into the grown crystals, but the concentration of Zr in the crystals was markedly reduced in comparison with that of the starting materials.

URL: http://jjap.jsap.jp/link?JJAP/36/6031/
DOI: 10.1143/JJAP.36.6031

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