請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/71496
標題: Rapid crystallization of a-Si : H films with various silicon-to-hydrogen bonding configurations using rapid energy transfer annealing
作者: Jiang, Y.L.
Chang, Y.C.
關鍵字: amorphous silicon
chemical vapor deposition
crystallization
annealing
chemical vapor-deposition
amorphous-silicon
grain-growth
temperature
recrystallization
transistors
期刊/報告no:: Thin Solid Films, Volume 500, Issue 1-2, Page(s) 316-321.
摘要: Hydrogenated amorphous silicon (a-Si:H) films were prepared by changing substrate temperature of plasma-enhanced chemical vapor deposition to induce different contents of monohydride and polyhydride bonds, which were then crystallized into polysilicon (poly-Si) films by rapid energy transfer annealing. Fourier transform infrared and transmission spectra show that the formation of numerous polyhydride bonds increases the hydrogen content and reduces the refractive index of a-Si:H films. The rise in the concentration of polyhydride bonds in as-deposited a-Si:H films can result in the increase of ultraviolet reflectance, small peak shift, and change in full width at half maximum of Raman scattering and X-ray diffraction peaks of the obtained poly-Si films after annealing. These results demonstrate that high-concentration polyhydride bonds can promote the rapid crystallization of a-Si:H and obtain high-crystallinity poly-Si films. Transmission electron microscopy identifies that the poly-Si films have the typical dendrite-like grain structure. (c) 2005 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/11455/71496
ISSN: 0040-6090
文章連結: http://dx.doi.org/10.1016/j.tsf.2005.10.059
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