Orientation of para-phenylene crystals nucleated on alkali-halide stepped substrates

被引：3

作者：

Yamamoto, H. ^{[1
]}

Takahashi, H. ^{[1
]}

Yano, N. ^{[1
]}

Takagishi, Y. ^{[1
]}

Kubo, T. ^{[1
]}

Harami, T. ^{[1
]}

Hondoh, H. ^{[1
]}

Nakada, T. ^{[1
]}

机构：

[1] Ritsumeikan Univ, Fac Sci & Engn, Dept Phys Sci, Shiga 5258577, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2008年 / 310卷 / 7-9期

关键词：

atomic force microscopy; crystal structure; diffusion; interfaces; nucleation; surface structures; graphoepitaxy; physical vapor deposition processes;

D O I：

10.1016/j.jcrysgro.2007.11.129

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The influences of substrate steps on crystallographic orientation of para-quaterphenylene (p-4P) thin films deposited on potassium chloride (KCl) (001) cleaved in ultrahigh vacuum have been studied in needle-shaped crystals preferentially nucleated at the step edges of the substrates. Surprisingly, most of the crystals nucleated on the so-called tartan zone of the KCl (001) substrate did not grow epitaxially, but became aligned in the directions of the cleaved steps, indicating the onset of grapho-epitaxy. The effects of step height and width on the nucleation and growth of p-4P crystals have been discussed. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：1729 / 1733

页数：5

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