CRYSTALLIZATION BEHAVIORS OF FERROELECTRIC AND PIEZOELECTRIC MATERIALS

被引：30
|
作者：
Zhao, Xu [1 ]
Sun, Congting [1 ]
Si, Yunfei [1 ]
Liu, Meinan [1 ]
Xue, Dongfeng [1 ]
机构：
[1] Dalian Univ Technol, Sch Chem Engn, Dept Mat Sci & Chem Engn, Dalian 116012, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2009年 / 23卷 / 31-32期
关键词：
LiNbO3; KH2PO4; NH4H2PO4; ZnO; chemical bond; SINGLE-CRYSTAL GROWTH; NONLINEARITY; MORPHOLOGY; EVOLUTION; SCALE; KDP;
D O I：
10.1142/S0217984909021867
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Crystallization represents a kind of phase transition, which can be regarded as a process related to bond formation and breaking. According to the chemical bonding characteristics of constituent atoms, the ideal morphology of LiNbO3 crystals has been successfully predicted by using the chemical bonding theory, which consists well with our experimental results. Some observations concerning the morphology evolution of KH2PO4 (KDP), NH4H2PO4 (ADP) and ZnO crystals can also be kinetically simulated by the present theory. The obtained results indicate that the microscopic constituent chemical bonds can help us to comprehensively understand the crystallization mechanism on the basis of quantitative calculations of growth rate in different crystal faces. The chemical bonding theory builds up a link between the crystallographic structure, growth morphology and microscopic chemical bonds of crystal materials, which provides us a useful microscopic tool to quantitatively understand single crystal growth behaviors
引用
收藏
页码：3809 / 3815
页数：7
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