The Effects of Realistic U-shaped Source/Drain on DC/AC Performances of Silicon Nanosheet FETs for Sub 5-nm Node SoC Applications
- Title
- The Effects of Realistic U-shaped Source/Drain on DC/AC Performances of Silicon Nanosheet FETs for Sub 5-nm Node SoC Applications
- Authors
- Jeong, Jinsu; Yoon, Jun-Sik; Lee, Seunghwan; BAEK, ROCK HYUN
- Date Issued
- 2019-03-14
- Publisher
- IEEE
- Abstract
- DC/AC performances of sub 5-nm node silicon nanosheet field-effect transistors having realistic source/drain (S/D) shape were extensively analyzed according to S/D excess depth (TSD) using TCAD. Deeper TSD improves RC delay, but consumed more power due to significantly increased leakage currents of parasitic bottom transistor. These results were more sensitive to TSD in PFETs than in NFETs due to S/D dopant diffusion effect. Thus, more elaborate S/D process (recess, epitaxy and anneal) was required for PFETs than NFETs.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/99380
- Article Type
- Conference
- Citation
- 2019 IEEE Electron Devices Technology and Manufacturing Conference (EDTM), page. 133 - 135, 2019-03-14
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