Novel trench inner-spacer scheme to eliminate parasitic bottom transistors in silicon nanosheet FETs

J Jeong, JS Yoon, S Lee… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A novel and feasible trench inner-spacer (TIS) scheme to eliminate undesired parasitic
bottom transistors (trpbt) in gate-all-around (GAA) nanosheet (NS) field-effect transistors …

Narrow sub-fin technique for suppressing parasitic-channel effect in stacked nanosheet transistors

J Gu, Q Zhang, Z Wu, Y Luo, L Cao… - IEEE Journal of the …, 2021 - ieeexplore.ieee.org
A new approach of narrowing sub-fin with little extra process cost for suppressing parasitic-
channel-effect (PCE) on vertically-stacked horizontal gate-all-around (GAA) Si nanosheet …

Trench gate nanosheet FET to suppress leakage current from substrate parasitic channel

KS Lee, BD Yang, JY Park - IEEE Transactions on Electron …, 2023 - ieeexplore.ieee.org
Recently, nanosheet FETs (NS FETs) have been introduced as promising candidates for
beyond 3-nm node technology. However, difficulties remain for mass production of the NS …

Novel Scheme of Inner Spacer Length Optimization for Sub-3-nm Node Silicon n/p Nanosheet Field-Effect Transistors

S Lee, J Jeong, S Lee, J Lee, J Lim… - … on Electron Devices, 2023 - ieeexplore.ieee.org
The optimal inner spacer length () for each layer in nanosheet (NS) field-effect transistors
(FETs) was investigated using a technology computer-aided design (TCAD) simulation …

Punch-through-stopper free nanosheet FETs with crescent inner-spacer and isolated source/drain

JS Yoon, J Jeong, S Lee, RH Baek - IEEE Access, 2019 - ieeexplore.ieee.org
Structural modifications of 5-nm node nanosheet FETs (NSFETs) were quantitatively
analyzed using fully calibrated TCAD. The NSFETs with crescent inner spacer improve the …

Leakage optimization of the buried oxide substrate of nanosheet field-effect transistors

S Yoo, S Kim - IEEE Transactions on Electron Devices, 2022 - ieeexplore.ieee.org
In this work, a new buried oxide nanosheet field-effect transistor (BO-NSFET) structure is
proposed for the first time as a strategy for improving the leakage of 3-nm stacked nanosheet …

Sensitivity of inner spacer thickness variations for sub-3-nm node silicon nanosheet field-effect transistors

S Lee, J Jeong, JS Yoon, S Lee, J Lee, J Lim, RH Baek - Nanomaterials, 2022 - mdpi.com
The inner spacer thickness (TIS) variations in sub-3-nm, node 3-stacked, nanosheet field-
effect transistors (NSFETs) were investigated using computer-aided design simulation …

Impact of device-to-device interference in nanosheet field-effect transistors

KS Lee, WC Shin, JW Yeon, JY Park - Microelectronics Reliability, 2023 - Elsevier
Nanosheet field-effect transistors (NS FETs) are a promising candidate for extremely scaled
logic devices beyond FinFETs. The benefits of NS FETs include superior design flexibility …

Impact of bottom dielectric isolation of Si-stacked nanosheet transistor on stress and self-heating at 3-Nm node and beyond

M Saleh, AM Bayoumi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This study examines the effect of leakage current reduction techniques on the performance
of the nanosheet FETs (NS-FETs) at 3 nm and beyond. We study the effects of the …

Characteristics of stacked gate-all-around Si nanosheet MOSFETs with metal sidewall source/drain and their impacts on CMOS circuit properties

WL Sung, Y Li - IEEE Transactions on Electron Devices, 2021 - ieeexplore.ieee.org
In this brief, we computationally examine electrical characteristics of stacked gate-all-around
Si nanosheet MOSFETs (GAA NS-FETs) with and without metal sidewall (MSW) …