Metal induced crystallization: Gold versus aluminium

被引:9
作者
Pereira, L
Aguas, H
Vilarinho, P
Fortunato, E
Martins, R
机构
[1] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Ciencia Mat, P-2829516 Caparica, Portugal
[2] CEMOP, P-2829516 Caparica, Portugal
[3] Univ Aveiro, CICECO, Dept Engn Ceram & Vidro, P-3810193 Aveiro, Portugal
关键词
D O I
10.1007/s10853-005-0571-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this work metal induced crystallization was studied using aluminium and gold deposited over 150 nm amorphous silicon films grown by LPCVD. Aluminium and gold layers with thickness between 1 and 5 nm were deposited on the silicon films and after that, the samples were annealed at 500 degrees C from 5 up to 30 h. When the crystallization is induced through a gold layer, the Si crystalline fraction is higher than when using aluminium. For samples crystallized for 30 h at 500 degrees C with 2 nm of metal a crystalline fraction of 57.5% was achieved using gold and only 38.7% when using aluminium. (C) 2005 Springer Science + Business Media, Inc.
引用
收藏
页码:1387 / 1391
页数:5
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