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表面光电压谱及其检测技术实验

Experiment of surface photovoltage spectroscopy and detection technique
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摘要 利用锁相放大器、单色仪、Xe灯光源等搭建了表面光电压谱检测仪.基于表面光电压谱技术的原理,并借助场诱导表面光电压谱测定了半导体材料的光伏响应、导电类型、能带隙和表面电荷分布. A surface potovoltage spectroscopy (SPS) experiment system is set up, which consisted of lock-in amplifier, monochromator and Xe lamp. Based on the theory of surface potovoltage spectroscopy and electric field-induced surface photovoltage spectroscopy (EFISPS), potovoltage response, conduction type, band-gap and distribution of surface charge are measured.
出处 《物理实验》 北大核心 2009年第12期1-4,10,共5页 Physics Experimentation
基金 教育部世行贷款21世纪初高等教育教学改革项目(No.1283B02012) 2006年度中央与地方共建实验室共建专项资金项目(No.0610003) 河南大学2008年度教学改革项目(No.0812016)
关键词 半导体表(界)面 光电性质 表面光电压谱 surface and interface of semiconductor photoelectric property surface photovoltage spectroscopy
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