Germanium CMOS potential from material and process perspectives: Be more positive about germanium

A Toriumi, T Nishimura - Japanese Journal of Applied Physics, 2017 - iopscience.iop.org
CMOS miniaturization is now approaching the sub-10 nm level, and further downscaling is
expected. This size scaling will end sooner or later, however, because the typical size is …

High-Mobility Ge p- and n-MOSFETs With 0.7-nm EOT Using Gate Stacks Fabricated by Plasma Postoxidation

R Zhang, PC Huang, JC Lin, N Taoka… - … on Electron Devices, 2013 - ieeexplore.ieee.org
An ultrathin equivalent oxide thickness (EOT) HfO 2/Al 2 O 3/Ge gate stack has been
fabricated by combining the plasma postoxidation method with a 0.2-nm-thick Al 2 O 3 layer …

Ultimate nano-electronics: New materials and device concepts for scaling nano-electronics beyond the Si roadmap

N Collaert, A Alian, H Arimura, G Boccardi… - Microelectronic …, 2015 - Elsevier
In this work, we will give an overview of the innovations in materials and new device
concepts that will be needed to continue Moore's law to the sub-10 nm technology nodes. To …

7-nm FinFET CMOS design enabled by stress engineering using Si, Ge, and Sn

S Gupta, V Moroz, L Smith, Q Lu… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Bandgap and stress engineering using group IV materials-Si, Ge, and Sn, and their alloys
are employed to design a FinFET-based CMOS solution for the 7-nm technology node and …

Ge CMOS gate stack and contact development for vertically stacked lateral nanowire FETs

MJH Van Dal, G Vellianitis, G Doornbos… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
We present (i) a novel, thermally stable Atomic Layer Deposition (ALD) high-k dielectric
stack that, for the first time, has the potential to meet all gate stack requirements for both n …

Aggressive EOT Scaling of Ge pMOSFETs With HfO2/AlOx/GeOx Gate-Stacks Fabricated by Ozone Postoxidation

R Zhang, X Tang, X Yu, J Li… - IEEE Electron Device …, 2016 - ieeexplore.ieee.org
HfO 2/AlO x/GeO x gate-stacks have been fabricated on Ge surfaces by in situ ozone
postoxidation method. It is found that the ultrathin GeOx interfacial layer beneath the high-k …

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 …

Understanding the suppressed charge trap** in relaxed- and strained-Ge/SiO2/HfO2 pMOSFETs and implications for the screening of alternative high-mobility …

J Franco, B Kaczer, PJ Roussel, J Mitard… - 2013 IEEE …, 2013 - ieeexplore.ieee.org
We study charge trap** in a variety of Ge-based pMOS and nMOS technologies, either
with Si passivation and conventional SiO 2/HfO 2 gate stack, or with GeO x/high-k gate …

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 …

Improved Electrical Characteristics of Ge pMOSFETs With ZrO2/HfO2 Stack Gate Dielectric

CC Li, KS Chang-Liao, WF Chi, MC Li… - IEEE Electron …, 2015 - ieeexplore.ieee.org
Electrical characteristics of Ge pMOSFETs with HfO 2, ZrO 2, ZrO 2/HfO 2, and HfZrO x gate
dielectrics are studied in this letter. A lower equivalent oxide thickness (EOT) is obtained in …