| 1 | Morphological characteristics of ZnO crystallites under hydrothermal conditions显示文摘THE ZnO powder (micro-crystallites), an important functional material, has a wide applica-tion in the fields of ceramics, coatings and electronic devices. However, the powder, usuallyobtained by calcination of zinc oxalate, has a wide particle-size distribution and poor sinteringactivities so various methods for its preparation have been developed. The hydrothermalmethod is widely used to prepare many superfine powders such as ZrO2, BaTiO3, PLZT, dueto many advantages compared with other methods. Recently, the powder of Ⅱ—Ⅵ com-pounds can also be prepared by this method. Furthermore, crystallite shapes may be consid- | Wang, BG Shi, EW Zhong, WZ Yin, ZW | 1997 | Chinese Science Bulletin1997，42，12： | 2 |
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