液体基质中ZnO晶粒形状的温度依赖性

Acta Metallurgica Pub Date : 1989-10-01 DOI:10.1016/0001-6160(89)90304-0

Joo-Hwan Han , Young-Keun Chung , Doh-Yeon Kim , Sang-Hee Cho , Duk N. Yoon

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引用次数: 20

摘要

研究了ZnO晶粒在Bi2O3溶液中的形状随温度的变化规律。晶粒在低温时呈典型的角状，随着温度的升高而变为球形。从奥斯特瓦尔德成熟过程中界面能最小化和生长(溶解)速率的角度讨论了分散在液体中的晶粒形状。

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Temperature dependence of the shape of ZnO grains in a liquid matrix

The shape of ZnO grains in Bi₂O₃ liquid solution is investigated as a function of temperature. The grains of a characteristic angular shape at low temperature become spherical with the increase of temperature. The grain shape dispersed in liquid is discussed in terms of interfacial energy minimization and growth (dissolution) rate during Ostwald ripening.

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Acta Metallurgica

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