Stable protocrystalline silicon and unstable microcrystalline silicon at the onset of a microcrystalline regime

被引:35
|
作者
Ahn, JY
Jun, KH
Lim, KS
Konagai, M
机构
[1] Korea Adv Inst Sci & Technol, Dept Elect Engn & Comp Sci, Taejon 305701, South Korea
[2] Tokyo Inst Technol, Dept Phys Elect, Meguro Ku, Tokyo 1558552, Japan
关键词
D O I
10.1063/1.1561161
中图分类号
O59 [应用物理学];
学科分类号
摘要
We investigated the structural, electrical, and optical properties as well as light-induced degradation characteristics of silicon films prepared by photochemical vapor deposition at various hydrogen dilution ratios. The protocrystalline silicon deposited before the onset of the microcrystalline regime was most stable against light soaking. However, the films deposited at the onset of the microcrystalline regime, known to have the most competent device quality and stability, were observed to be less stable. Such instability at the onset of the microcrystalline regime is correlated with the existence of the clustered phase hydrogen that indicates microvoids in the films. (C) 2003 American Institute of Physics.
引用
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页码:1718 / 1720
页数:3
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