Toward attojoule switching energy in logic transistors

S Datta, W Chakraborty, M Radosavljevic - Science, 2022 - science.org
Advances in the theory of semiconductors in the 1930s in addition to the purification of
germanium and silicon crystals in the 1940s enabled the point-contact junction transistor in …

Titanium-based ohmic contacts in advanced CMOS technology

S Mao, J Luo - Journal of Physics D: Applied Physics, 2019 - iopscience.iop.org
Since the contact resistance characterized by a specific contact resistivity (ρ c) in the
source/drain (S/D) regions is becoming a bottleneck for further improving device …

Prediction of process variation effect for ultrascaled GAA vertical FET devices using a machine learning approach

K Ko, JK Lee, M Kang, J Jeon… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this brief, we present an accurate and efficient machine learning (ML) approach which
predicts variations in key electrical parameters using process variations (PVs) from …

TiSi(Ge) Contacts Formed at Low Temperature Achieving Around cm2 Contact Resistivities to p-SiGe

H Yu, M Schaekers, J Zhang, LL Wang… - … on Electron Devices, 2017 - ieeexplore.ieee.org
This paper reports ultralow contact resistivities (ρ c) achieved on highly doped p-SiGe with
two low-temperature contact formation methods. One method combines precontact …

A refined ladder transmission line model for the extraction of significantly low specific contact resistivity

X Sun, J Luo, Y Liu, J Xu, J Gao, J Liu… - … on Electron Devices, 2022 - ieeexplore.ieee.org
In this article, a refined ladder transmission line model (R-LTLM) test structure capable of
extracting significantly low specific contact resistivity () eliminating parasitic metal resistance …

Lanthanum and lanthanum silicide contacts on N-type silicon

H Yu, LL Wang, M Schaekers… - IEEE Electron …, 2017 - ieeexplore.ieee.org
In this letter, we investigate contacts of a low work function rare-earth metal, La, and its
silicides on n-Si. LaSi x/n--Si contacts show low Schottky barrier height (φ b) of around 0.25 …

Impact of Ge Preamorphization Implantation on Both the Formation of Ultrathin TiSix and the Specific Contact Resistivity in TiSix/n-Si Contacts

S Mao, G Wang, J Xu, X Luo, D Zhang… - … on Electron Devices, 2018 - ieeexplore.ieee.org
In this paper, the impact of different Ge preamorphization implantation (PAI) conditions on
the formation of ultrathin TiSi x as well as on the specific contact resistivity (Pc) in TiSi x/n-Si …

Contact resistance improvement for advanced logic by integration of EPI, implant and anneal innovations

FA Khaja - MRS Advances, 2019 - cambridge.org
As advanced CMOS scaling with FinFETs continues beyond the 10/7nm nodes, contact
resistance (Rc) remains a dominant component affecting device performance. The FinFET …

Optimization of a TiSi2 formation based on PECVD Ti using DoE methodology

D Hößler, M Ernst - Solid-State Electronics, 2019 - Elsevier
Very thin plasma enhanced chemical vapor deposition (PECVD) titanium (Ti) of 6±1 nm was
characterized on doped unstructured and structured Si substrate. Based on the current state …

Si0. 5Ge0. 5 Channel FinFET Preparation on an in situ Doped SiGe SRB and its electrical characteristics optimization

A Chen, Y Li, X Jia, X Cheng… - ECS Journal of Solid State …, 2023 - iopscience.iop.org
In this paper, the Si 0.5 Ge 0.5 channel FinFET preparation on an in situ doped SiGe strain
relaxed buffer (SRB) and its electrical characteristic optimization were explored in detail …