Abstract
This paper presents the electrical performances of novel AlGaSb/InGaAs heterojunction-based vertical-tunneling field-effect transistor (VTFET). The device performance was investigated in views of the on-state current (Ion), drain-induced barrier thinning (DIBT), and subthreshold swing (SS) as the gate length (LG) was scaled down. The proposed TFET with a LG of 5 nm operated with an Ion of 1.3 mA/µm, a DIBT of 40 mV/V, and an SS of 23 mV/dec at a drain voltage (VDS) of 0.23 V. The proposed TFET provided approximately 25 times lower DIBT and 12 times smaller SS compared with the conventional LG of 5 nm TFET. The AlGaSb/InGaAs VTFET showed extremely high scalability and strong immunity against short-channel effects.
| Original language | English |
|---|---|
| Pages (from-to) | 2324-2332 |
| Number of pages | 9 |
| Journal | Journal of Electrical Engineering and Technology |
| Volume | 12 |
| Issue number | 6 |
| DOIs | |
| State | Published - Nov 2017 |
Keywords
- Drain-induced barrier thinning
- Heterojunction
- Short-channel effect
- Tunneling field-effect transistor
- Vertical tunneling
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