Fermi‐level pinning free high‐performance 2D CMOS inverter fabricated with van der Waals bottom contacts

TD Ngo, Z Yang, M Lee, F Ali, I Moon… - Advanced Electronic …, 2021 - Wiley Online Library
Effective control of 2D transistors polarity is a critical challenge in the process for integrating
2D materials into semiconductor devices. Herein, a doping‐free approach for developing …

Doping-free complementary WSe2 circuit via van der Waals metal integration

L Kong, X Zhang, Q Tao, M Zhang, W Dang, Z Li… - Nature …, 2020 - nature.com
Abstract Two-dimensional (2D) semiconductors have attracted considerable attention for the
development of ultra-thin body transistors. However, the polarity control of 2D transistors and …

Large-Scale Complementary Logic Circuit Enabled by Al2O3 Passivation-Induced Carrier Polarity Modulation in Tungsten Diselenide

T Das, S Youn, JE Seo, E Yang… - ACS Applied Materials & …, 2023 - ACS Publications
Achieving effective polarity control of n-and p-type transistors based on two-dimensional
(2D) materials is a critical challenge in the process of integrating transition metal …

Fermi‐Level Pinning‐Free WSe2 Transistors via 2D Van der Waals Metal Contacts and Their Circuits

J Jang, HS Ra, J Ahn, TW Kim, SH Song… - Advanced …, 2022 - Wiley Online Library
Precise control over the polarity of transistors is a key necessity for the construction of
complementary metal–oxide–semiconductor circuits. However, the polarity control of 2D …

2D SnSe-based vdW heterojunctions: tuning the Schottky barrier by reducing Fermi level pinning

W Zhou, Y Guo, J Liu, FQ Wang, X Li, Q Wang - Nanoscale, 2018 - pubs.rsc.org
Two-dimensional (2D) SnSe is a very promising material for semiconducting devices due to
its novel properties. However, the contact behavior between a 2D SnSe sheet and a three …

Electrical Polarity Modulation in V‐Doped Monolayer WS2 for Homogeneous CMOS Inverters

B Gao, W Wang, Y Meng, C Du, Y Long, Y Zhang… - Small, 2024 - Wiley Online Library
As demand for higher integration density and smaller devices grows, silicon‐based
complementary metal‐oxide‐semiconductor (CMOS) devices will soon reach their ultimate …

Near-ideal van der Waals rectifiers based on all-two-dimensional Schottky junctions

X Zhang, B Liu, L Gao, H Yu, X Liu, J Du, J Xiao… - Nature …, 2021 - nature.com
The applications of any two-dimensional (2D) semiconductor devices cannot bypass the
control of metal-semiconductor interfaces, which can be severely affected by complex Fermi …

[HTML][HTML] Yttrium-induced phase-transition technology for forming perfect ohmic contact in two-dimensional MoS2 transistors

J Jiang, L Xu, L Du, L Li, G Zhang, C Qiu, LM Peng - 2023 - researchsquare.com
The van der Waals (vdW) strategy is promising for overcoming the Fermi pinning challenge
in two-dimensional (2D) transistors. However, the lack of advanced-node lithography …

Self-Aligned Top-Gate Structure in High-Performance 2D p-FETs via van der Waals Integration and Contact Spacer Doping

TD Ngo, T Huynh, I Moon, T Taniguchi, K Watanabe… - Nano Letters, 2023 - ACS Publications
The potential of 2D materials in future CMOS technology is hindered by the lack of high-
performance p-type field effect transistors (p-FETs). While utilization of the top-gate (TG) …

Transferred via contacts as a platform for ideal two-dimensional transistors

Y Jung, MS Choi, A Nipane, A Borah, B Kim… - Nature …, 2019 - nature.com
Two-dimensional semiconductors have a number of valuable properties that could be used
to create novel electronic devices. However, creating 2D devices with good contacts and …