III-V/Ge MOS device technologies for low power integrated systems

S Takagi, M Noguchi, M Kim, SH Kim, CY Chang… - Solid-State …, 2016 - Elsevier
CMOS utilizing high mobility III-V/Ge channels on Si substrates is expected to be one of the
promising devices for high performance and low power integrated systems in the future …

Amorphous Carbon Monolayer: A van der Waals Interface for High-Performance Metal Oxide Semiconductor Devices

VG Akkili, J Yoon, K Shin, S Jeong, JY Moon, JH Choi… - ACS …, 2025 - ACS Publications
Ultrasmall-scale semiconductor devices (≤ 5 nm) are advancing technologies, such as
artificial intelligence and the Internet of Things. However, the further scaling of these devices …

Slow Trap Properties and Generation in Al2O3/GeOx/Ge MOS Interfaces Formed by Plasma Oxidation Process

M Ke, M Takenaka, S Takagi - ACS Applied Electronic Materials, 2019 - ACS Publications
For realizing Ge CMOS devices with a small equivalent oxide thickness (EOT) and a low
density of fast interface states (D it), understanding of slow traps in Ge gate stacks and …

Si-passivated Ge nMOS gate stack with low Dit and dipole-induced superior PBTI reliability using 3D-compatible ALD caps and high-pressure anneal

H Arimura, D Cott, R Loo, W Vanherle… - 2016 IEEE …, 2016 - ieeexplore.ieee.org
We demonstrate a Si-passivated Ge nMOS gate stack with D IT of~ 5× 10 10 cm-2 eV-1
around midgap and unnoticeable CV hysteresis at an operating condition (oxide trap density …

Properties of slow traps of ALD Al2O3/GeOx/Ge nMOSFETs with plasma post oxidation

M Ke, X Yu, C Chang, M Takenaka, S Takagi - Applied Physics Letters, 2016 - pubs.aip.org
The realization of Ge gate stacks with a small amount of slow trap density as well as thin
equivalent oxide thickness and low interface state density (D it) is a crucial issue for Ge …

Border trap evaluation for SiO2/GeO2/Ge gate stacks using deep-level transient spectroscopy

WC Wen, K Yamamoto, D Wang… - Journal of Applied …, 2018 - pubs.aip.org
A border trap (BT) evaluation method was established for SiO 2/GeO 2/Ge gate stacks by
using deep-level transient spectroscopy with a lock-in integrator. Ge metal-oxide …

Impact of bottom-gate biasing on implant-free junctionless Ge-on-insulator n-MOSFETs

HR Lim, SK Kim, JH Han, H Kim… - IEEE Electron …, 2019 - ieeexplore.ieee.org
In this letter, we have fabricated Ge-on-insulator (Ge-OI) junctionless (JL) n-MOSFETs via
wafer bonding and epitaxial lift-off (ELO) techniques. We have evaluated the electrical …

Improved interfacial and electrical properties of HfLaON gate dielectric Ge MOS capacitor by NbON/Si dual passivation layer and fluorine incorporation

Y Huang, JP Xu, L Liu, PT Lai, WM Tang - Applied Physics Letters, 2016 - pubs.aip.org
Ge metal-oxide-semiconductor (MOS) capacitor with HfLaON/(NbON/Si) stacked gate
dielectric and fluorine-plasma treatment is fabricated, and its interfacial and electrical …

Impact of Atomic Layer Deposition High k Films on Slow Trap Density in Ge MOS Interfaces With GeOx Interfacial Layers Formed by Plasma Pre-Oxidation

M Ke, M Takenaka, S Takagi - IEEE Journal of the Electron …, 2018 - ieeexplore.ieee.org
For realizing of Ge complementary metal-oxide-semiconductor with a Ge gate stack with thin
equivalent oxide thickness, low interface state density (D it) and high reliability. In this paper …

Comprehensive Understanding of the Mobility Scattering Mechanisms and Evaluation of the Universal Mobility in Ultra-Thin-Body Ge-OI p-and n-MOSFETs

R Su, Z Chen, M Ke, D Gao… - … on Electron Devices, 2024 - ieeexplore.ieee.org
The mobility scattering mechanisms in the ultra-thin-body (UTB) Ge-OI p-and n-MOSFETs
have been systematically investigated. It is found that the dependence is confirmed for the …