Investigation of incorporating dielectric pocket (DP) on Vertical Strained-SiGe Impact Ionization MOSFET (VESIMOS-DP)

Ismail Saad, and Nurmin Bolong, and Khairul Anuar Mohamad, and H.M. Zuhir , and D. Pogaku, and A.R.A. Bakar, (2012) Investigation of incorporating dielectric pocket (DP) on Vertical Strained-SiGe Impact Ionization MOSFET (VESIMOS-DP). In: Semiconductor Electronics (ICSE), 2012 10th IEEE International Conference.

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Official URL: https://www.researchgate.net/publication/261127869...

Abstract

The Vertical Strained Silicon Germanium (SiGe) Impact Ionization MOSFET with Dielectric Pocket (VESIMOS-DP) has been successfully developed and analyzed in this paper. Due to the DP layer, improve stability of threshold voltage, VT was found for VESIMOS-DP device of various DP size ranging from 20nm to 80nm. The stability is due to the reducing charge sharing effects between source and drain region. However, the presence of DP layer has introduced another potential barrier in addition to δp+ triangular potential barrier. Thus, increased amount of gate source voltage for lowering both barriers and allows the electron to move from source to drain. Accordingly, slight different and consistency of VESIMOS-DP sub-threshold value as compared to VESIMOS has revealed to give advantages for incorporating DP layer near the drain end. Moreover, the DP layer has suppressed the parasitic bipolar transistor effect with higher breakdown voltage as compared to without DP layer.

Item Type:Conference Paper (UNSPECIFIED)
Uncontrolled Keywords:The Vertical Strained Silicon Germanium (SiGe),Impact Ionization MOSFET , Dielectric Pocket (VESIMOS-DP)
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:FACULTY > Faculty of Engineering
ID Code:12910
Deposited By:IR Admin
Deposited On:19 Feb 2016 12:29
Last Modified:19 Feb 2016 12:29

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