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2-D Threshold Voltage Model for the Double-Gate p-n-p-n TFET With Localized Charges.
- Source :
-
IEEE Transactions on Electron Devices . Sep2016, Vol. 63 Issue 9, p3663-3668. 6p. - Publication Year :
- 2016
-
Abstract
- In this paper, for the first time, we developed an analytical model for the surface potential of the double-gate p-n-p-n tunneling field-effect transistors (TFETs) considering the effect of localized charges at the Si-SiO2 interface near the source-channel junction. From the surface potential model, the minimum tunneling width is then evaluated and is used to extract the threshold voltage using the constant-current method. The model can be applied to study the effect of localized charges on the threshold voltage of the p-n-p-n TFETs as it captures the shift in the threshold voltage due to the change in the localized charge region length, localized charge density, and polarity. The accuracy of the proposed model is verified using 2-D Technology Computer-Aided Design simulations. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00189383
- Volume :
- 63
- Issue :
- 9
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Electron Devices
- Publication Type :
- Academic Journal
- Accession number :
- 117618560
- Full Text :
- https://doi.org/10.1109/TED.2016.2589927