Internal structure of multiphase zinc-blende wurtzite gallium nitride nanowires

被引：13
|
作者：
Jacobs, B. W. [1 ]
Ayres, V. M. [1 ]
Crimp, M. A. [2 ]
McElroy, K. [1 ]
机构：
[1] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA
[2] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
来源：
NANOTECHNOLOGY | 2008年 / 19卷 / 40期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1088/0957-4484/19/40/405706
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, the internal structure of novel multiphase gallium nitride nanowires in which multiple zinc-blende and wurtzite crystalline domains grow simultaneously along the entire length of the nanowire is investigated. Orientation relationships within the multiphase nanowires are identified using high-resolution transmission electron microscopy of nanowire cross-sections fabricated with a focused ion beam system. A coherent interface between the zinc-blende and wurtzite phases is identified. A mechanism for catalyst-free vapor-solid multiphase nanowire nucleation and growth is proposed.
引用
收藏
页数：6
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