Investigation of nucleation growth mechanism of MMTC crystal by AFM

被引：6

作者：

Geng, YL ^{[1
]}

Xu, D ^{[1
]}

Wang, XQ ^{[1
]}

Pan, DY ^{[1
]}

Zhang, GH ^{[1
]}

Yu, GW ^{[1
]}

机构：

[1] Shandong Univ, Inst Crystal Mat, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 2005年 / 280卷 / 1-2期

基金：

中国国家自然科学基金;

关键词：

atomic force microscopy; 2D nucleation; growth mechanism; overhang morphology; nonlinear optical materials;

D O I：

10.1016/j.jcrysgro.2005.03.037

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Atomic force microscopy (AFM) has been used to study the growth mechanism of the manganese mercury thiocyanate (MMTC) crystal. Two-dimensional (2D) nucleation growth mechanism dominates on the {1 1 0} faces. 2D nuclei introduced growth islands and steps with wavy fronts are investigated. Nucleation on the wider step terraces results in the overhang morphology of steps. With growing of the surface, initial faulty connection of 2D nuclei may lead to formation of long deep tubes with liquid inclusions. Further crystallization of liquid inclusions occurs via 3D nucleation mechanism. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：266 / 270

页数：5

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