Atomic force microscopy studies on growth steps and 2D nuclei on the {100} faces of deuterated L-arginine phosphate crystals

被引：3
|
作者：
Geng, YL
Xu, D [1 ]
Sun, DL
Du, W
Liu, H
Zhang, GH
Wang, XQ
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
[2] Shandong Univ, Inst Crystal Mat, Jinan 250100, Peoples R China
来源：
SURFACE REVIEW AND LETTERS | 2004年 / 11卷 / 4-5期
关键词：
atomic force microscopy; crystal growth mechanism; two-dimensional nuclei; nonlinear optical (NLO) material;
D O I：
10.1142/S0218625X04006359
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Growth steps and 2D nuclei of the {100} faces of the deuterated L-arginine phosphate (DLAP) crystals have been studied using ex-situ atomic force microscopy (AFM). Straight steps along the b direction as well as meandered steps are detected. The bunched steps have wider terraces than the elementary ones, which are supposed to result from the slower growth rate of the former than the latter. Many 2D nuclei exist on the step terraces and edges acting as the growth sources. Occasionally, 2D islands generated by 2D nuclei could also be observed. In conclusion, the crystal grows by layer growth mechanism.
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页码：379 / 383
页数：5
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