Photo-pyro-piezo-electric elastic bending method: Investigation of metal-semiconductor structure

被引:0
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作者
Todorovic, DM [1 ]
Nikolic, PM [1 ]
Smiljanic, M [1 ]
Bojicic, AI [1 ]
Vasiljevic-Radovic, DG [1 ]
Radulovic, KT [1 ]
机构
[1] Univ Belgrade, Ctr Multidisciplinary Studies, YU-11030 Belgrade, Yugoslavia
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The metal-semiconductor (MS) junction is investigated by new method based on two techniques: the ac-photovoltage and pyro-piezo-electric technique. The sample with metal-semiconductor-metal configuration was attached to the pyro(piezo)electric detector and ac-voltages can be measured. The photovoltage and pyro-piezo-electric effects are investigated as a function of the modulation frequency of excitation optical beam. A theoretical model for a metal - semiconductor - metal pyro(piezo)electric system is given including the space-charge regions (SCR) and electronic states on the semiconductor surfaces, and thermodifussion, thermoelastic and electronic deformation effects in semiconductor.
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页码:231 / 234
页数:4
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