Modification on Forouhi and Bloomer model for the optical properties of amorphous silicon thin films

被引：19
|
作者：
Liu, Yong [1 ]
Xu, Gang [1 ]
Song, Chenlu [1 ]
Weng, Wenjian [1 ]
Du, Piyi [1 ]
Han, Gaorong [1 ]
机构：
[1] Zhejiang Univ, State Key Lab Silicon Mat Sci, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
来源：
THIN SOLID FILMS | 2007年 / 515卷 / 7-8期
关键词：
amorphous silicon; optical property; dispersion relation; films;
D O I：
10.1016/j.tsf.2006.11.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to obtain a more accurate dispersion relation for the optical properties of amorphous Si (a-Si) films, a modification on Forouhi-Bloomer's model (FB model) considering the effects of the non-parabolic bands and phonons was performed. A series of experimentally measured optical constant data have been fitted by the modified and original FB models for asserting the advantages of the former. The results indicates that considering the non-parabolic conduction and valence bands for modeling the optical properties of the a-Si films improves the goodness of fits and the modified model provides more useful and correct information about the optical properties. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：3910 / 3913
页数：4
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