Nucleation kinetics, micro-crystallization and etching studies of L-histidine trifluoroacetate crystal

被引:7
|
作者
Sun, G. H.
Zhang, G. H.
Wang, X. Q.
Xu, D. [1 ]
机构
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
基金
中国国家自然科学基金;
关键词
Crystal morphology; Etching; Nucleation; Growth from solutions; L-ARGININE PHOSPHATE; SINGLE-CRYSTALS; GERM-FORMATION; GROWTH; PH;
D O I
10.1016/j.jcrysgro.2010.12.075
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The metastable zone width and induction period were determined for the aqueous solution growth of L-histidine trifluoroacetate (LHTF). The surface free energy values were calculated from the experimental data. The nucleation parameters such as volume free energy change, critical radius and critical free energy barrier have also been evaluated. Growth morphology depending on the pH values was studied using the micro-crystallization method. Bulk single crystal without any macroscopic defects has been successfully grown based on our investigation results. Furthermore, etch patterns on the {0 1 0} and {-1 0 1} facet of the crystal were also illustrated and described. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码:132 / 136
页数:5
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