Tunneling spectroscopy of metal-oxide-semiconductor field-effect transistor at low temperature

被引:0
|
作者
Bao, MQ [1 ]
Liu, F
Baron, F
Wang, KL
Li, RG
机构
[1] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA
[2] Jazz Semicond, Newport Beach, CA 92660 USA
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D O I
10.1063/1.1951055
中图分类号
O59 [应用物理学];
学科分类号
摘要
Electron tunneling spectroscopy is used to study drain-source current spectra of metal-oxide-semiconductor field-effect transistors (MOSFETs). Measured at liquid helium temperature (4.2 K), experimental results reveal that as drain-source voltage (V-ds) increases, the first derivative of drain-source current (or conductance) first decreases, then increases to a maximum and finally decreases again at higher Vds, which is different from the monotonous decreasing feature described by the conventional MOSFET theory. In addition, the measured MOSFET spectra show that there are fine features on the second derivative spectra, and these features may be used to extract trap information. (c) 2005 American Institute of Physics.
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页码:1 / 3
页数:3
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