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Electrical characterization of Ge-FinFET transistor based on nanoscale channel dimensions

Mahmood, Ahmed and Jabbar, Waheb A. and Hashim, Yasir and Hadi, Manap (2019) Electrical characterization of Ge-FinFET transistor based on nanoscale channel dimensions. Journal of Nano- and Electronic Physics, 11 (1). pp. 1-5. ISSN 2077-6772

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Abstract

Nano-electronic applications have benefited enormously from the great advancement in the emerging Nano-technology industry. The tremendous downscaling of the transistors' dimensions has enabled the placement of over 100 million transistors on a single chip thus reduced cost, increased functionality and enhanced performance of integrated circuits (ICs). However, reducing size of the conventional planar transistors would be exceptionally challenging due to leakages electrostatics and other fabrication issues. Fin Field Effect Transistor (FinFET) shows a great potential in scalability and manufacturability as a promising candidate and a successor to conventional planar devices in nanoscale technologies. The structure of FinFET provides superior electrical control over the channel conduction, thus it has attracted widespread interest of researchers in both academia and industry. However, aggressively scaling down of channel dimensions, will degrade the overall performance due to detrimental short channel effects. In this paper, we investigate the impact of downscaling of nano-channel dimensions of Germanium Fin Feld Effect Transistor (Ge-FinFET) on electrical characteristics of the transistor, namely; ION/IOFF ratio, Subthreshold Swing (SS), Threshold voltage (VT), and Drain-induced barrier lowering (DIBL). MuGFET simulation tool was utilized to conduct a simulation study to achieve optimal channel dimensions by considering channel length (L), width (W), and oxide thickness (TOX) individually. In addition, the effects of simultaneous consideration of all dimensions by exploiting a scaling factor, K was evaluated. According to the obtained simulation results, the best performance of Ge-FinFET was achieved at a minimal scaling factor, K = 0.25 with 5 nm channel length, 2.5 nm width, and 0.625 nm oxide thickness.

Item Type: Article
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Ge- FinFET; Channel dimensions; ION/IOFF ratio; Subthreshold swing; MuGFET
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TS Manufactures
Faculty/Division: Faculty of Engineering Technology
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 12 Jun 2019 02:26
Last Modified: 12 Jun 2019 02:26
URI: http://umpir.ump.edu.my/id/eprint/24742
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