Atomic force microscopy studies on {101} surfaces of L-arginine trifluoroacetate single crystals

被引：9

作者：

Liu, Xiaojing ^{[1
]}

Wang, Zeyan ^{[1
]}

Zhang, Guanghui ^{[1
]}

Yu, Guangwei ^{[1
]}

Wang, Xinqiang ^{[1
]}

Duan, Aidong ^{[1
]}

Fan, Jiandong ^{[1
]}

Xu, Dong ^{[1
]}

机构：

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

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2007年 / 111卷 / 38期

关键词：

D O I：

10.1021/jp0730500

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：

The morphology of the {101} surface Of L-arginine trifluoroacetate (abbreviated as LATF) crystals has been investigated by ex situ atomic force microscopy (AFM). Growth of LATF proceeds by two-dimensional nucleation to form "stacks" of islands. Nucleation on the wider step terraces results in the overhang morphology of steps. Step patterns indicate the occurrence of impurity pinning. The hollow cavities elongate along the < 010 > direction, which are attributed to the characteristic structure of the LATF crystal. It is believed that these cavities can lead to extra stress which will affect the arrangement of the lattice and further cause structural mismatch.

引用

页码：14165 / 14169

页数：5

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