3.8 Proceedings Paper

DC and Analog/RF Performance Comparison of Renovated GAA JLFET Structures

Publisher

IEEE
DOI: 10.1109/VLSIDCS53788.2022.9811488

Keywords

DMG; JLFET; underlap; DC; Analog/RF analysis; Spacer

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This paper conducts a comparative analysis of three different architectures to determine the suitable structure for different applications. Through detailed simulation study, it is found that SPACER-induced GAA JLFET performs the best in terms of static performance, while DMG and SO GAA JLFET show significant improvement in analog/radio frequency performance.
In this paper, a comparative analysis is conducted among Dual Metal Gate-All-Around Junctionless Silicon FET (DMG GAA JLFET), a high-k spacer induced symmetrically underlapped GAA JLFET (SPACER GAA JLFET) and a stacked oxide-based GAA JLFET (SO GAA JLFET) architectures to find out the suitable structure for appropriate applications. The DC and Analog/R.F. performances of proposed devices are analyzed in terms of drain current, threshold voltage, electric field, surface potential, Subthreshold swing, intrinsic capacitances, transconductances, and cut-off frequency. A detailed simulation study of the proposed structures is performed with the SILVACO ATLAS 3-D device simulator. It has been observed that SPACER-induced GAA JLFET gives the best static performances, whereas DMG and SO GAA JLFET show some significant Analog/R.F. performance improvement than their counterpart.

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