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热丝CVD制备微晶硅薄膜的研究

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Indexed by:期刊论文

Date of Publication:2008-01-25

Journal:真空

Included Journals:PKU、ISTIC

Volume:45

Issue:1

Page Number:48-50

ISSN No.:1002-0322

Key Words:热丝化学气相沉积;微晶硅薄膜;光学带隙

Abstract:采用热丝化学气相沉积技术制备微晶硅薄膜,利用X射线衍射谱、Raman散射谱、透射光谱和扫描电子显微镜等检测手段,系统地研究沉积过程中沉积气压对微晶硅薄膜晶粒尺寸、晶态比和光学带隙的影响,运用Tacu法则对薄膜的透射率和厚度进行计算分析,得到薄膜光学带隙与沉积气压之间的关系,结果表明薄膜的光学带隙随着沉积气压的升高而单调下降.

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