Chin. Phys. Lett.  2018, Vol. 35 Issue (10): 107301    DOI: 10.1088/0256-307X/35/10/107301
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
Temperature-Dependent Effect of Near-Interface Traps on SiC MOS Capacitance
Yan-Jing He, Xiao-Yan Tang**, Yi-Fan Jia, Ci-Qi Zhou, Yu-Ming Zhang
Microelectronics Institute, Xidian University, Xi'an 710071
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Abstract A two-dimensional electrical SiC MOS interface model including interface and near-interface traps is established based on the relevant tunneling and interface Shockley–Read–Hall model. The consistency between simulation results and measured data in the different temperatures shows that this interface model can accurately describe the capture and emission performance for near-interface oxide traps, and can well explain the hysteresis-voltage response with increasing temperature, which is intensified by the interaction between deep oxide traps and shallow oxide traps. This also indicates that the near-interface traps result in an increase of threshold-voltage shift in SiC MOSFET with increasing temperature.
Received: 16 July 2018      Published: 15 September 2018
PACS:  73.40.-c (Electronic transport in interface structures)  
  77.84.Lf (Composite materials)  
  73.20.-r (Electron states at surfaces and interfaces)  
  71.10.Li (Excited states and pairing interactions in model systems)  
Fund: Supported by the Science Challenge Project under Grant No TZ2018003.
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Yan-Jing He, Xiao-Yan Tang, Yi-Fan Jia et al  2018 Chin. Phys. Lett. 35 107301
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http://cpl.iphy.ac.cn/10.1088/0256-307X/35/10/107301       OR      http://cpl.iphy.ac.cn/Y2018/V35/I10/107301
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Yan-Jing He
Xiao-Yan Tang
Yi-Fan Jia
Ci-Qi Zhou
Yu-Ming Zhang
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