The role of precursor gases on the surface restructuring of catalyst films during carbon nanotube growth

被引：77
|
作者：
Pisana, S. [1 ]
Cantoro, M. [1 ]
Parvez, A. [1 ]
Hofmann, S. [1 ]
Ferrari, A. C. [1 ]
Robertson, J. [1 ]
机构：
[1] Univ Cambridge, Dept Engn, Elect Engn Div, Cambridge CB3 0FA, England
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2007年 / 37卷 / 1-2期
基金：
英国工程与自然科学研究理事会;
关键词：
carbon nanotubes; catalysts; chemical vapour deposition;
D O I：
10.1016/j.physe.2006.06.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Catalyst films undergo considerable surface morphology restructuring prior to carbon nanotube nucleation, deeply influencing the nanostructures obtained. Here we study the influence of different gaseous atmospheres on the structure of thin Fe films. The morphology is influenced by process temperature and substrate interactions and varying the gas type and pressure can control the average catalyst island height. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1 / 5
页数：5
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