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 …, 2024 - 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 …

Reduction of MOS Interface Defects in TiN/Y₂O₃/Si₀. ₇₈Ge₀. ₂₂ Structures by Trimethylaluminum Treatment

TE Lee, M Ke, K Toprasertpong… - … on Electron Devices, 2020 - ieeexplore.ieee.org
We report improvement of TiN/Y 2 O 3/Si 0.78 Ge 0.22 metal-oxide-semiconductor (MOS)
interface properties by employing the trimethylaluminum (TMA) pretreatment before Y 2 O 3 …

Effect of SiO2 gate insulator on electrical performance of solution processed SnO2-Based thin film phototransistor

S Aktas, M Caglar - Physica B: Condensed Matter, 2023 - Elsevier
SnO 2-based TFTs were fabricated by using the sol-gel spin coating method. SnO 2
semiconductor films used as active layers were coated on oxidized Si with different SiO 2 …

Optimization of SiGe interface properties with ozone oxidation and a stacked HfO2/Al2O3 dielectric for a SiGe channel FinFET transistor

A Chen, C Li, Q Yao, X Ma, Y Li… - … Science and Technology, 2022 - iopscience.iop.org
In this paper, the optimization of SiGe interface properties for the SiGe channel fin field effect
transistor (FinFET) transistor is explored in detail. First, optimal low-temperature ozone …

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 …

[HTML][HTML] Interface trap and border trap characterization for Al2O3/GeOx/Ge gate stacks and influence of these traps on mobility of Ge p-MOSFET

WC Wen, Y Nagatomi, H Akamine, K Yamamoto… - AIP Advances, 2020 - pubs.aip.org
Interface traps (ITs) and border traps (BTs) in Al 2 O 3/GeO x/p-Ge gate stacks were
characterized using deep-level transient spectroscopy. Through evaluating the gate stacks …

Characterization and understanding of slow traps in GeOx-based n-Ge MOS interfaces

M Ke, P Cheng, K Kato, M Takenaka… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
The properties of slow electron traps in n-Ge MOS interfaces over a wide range of electrical
field across gate oxides (E ox) are systematically investigated. It is found through careful …

Modulation of Schottky barrier at metal/Ge contacts by phosphoric acid coating and excimer laser annealing

K Katayama, H Ikenoue, T Sadoh - Materials Science in Semiconductor …, 2023 - Elsevier
Germanium is an attractive material for advanced devices such as high speed transistors
and high efficiency optical devices. To realize the high performance operation, low resistive …

Reduction of slow trap density of Al2O3/GeOx/n-Ge MOS interfaces by inserting ultrathin Y2O3 interfacial layers

M Ke, M Takenaka, S Takagi - Microelectronic Engineering, 2017 - Elsevier
The realization of Ge gate stacks with thin equivalent oxide thickness (EOT), low interface
state density (D it) and small hysteresis is a crucial issue for Ge CMOS. In this study, we …