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In this paper, we propose the application of a Dual Material Gate (DMG) in a Tunnel Field Effect Transistor (TFET) to simultaneously optimize the on-current, the off-current and the threshold voltage, and also improve the average…

Mesoscale and Nanoscale Physics · Physics 2011-08-17 Sneh Saurabh , M. Jagadesh Kumar

In this paper we have developed a two dimensional (2D) analytical model for surface potential and drain current for a long channel Dual Material Gate (DMG) Silicon-on-Insulator (SOI) Tunneling Field Effect Transistor (TFET). This model…

Mesoscale and Nanoscale Physics · Physics 2014-05-27 Rajat Vishnoi , M. Jagadesh Kumar

Tunnel Field Effect Transistors (TFET) have extremely low leakage current, exhibit excellent subthreshold swing and are less susceptible to short channel effects. However, TFETs do face certain special challenges, particularly with respect…

Mesoscale and Nanoscale Physics · Physics 2010-10-19 Sneh Saurabh , M. Jagadesh Kumar

In this work, the performance of Tunnel Field-Effect Transistors (TFETs) based on two-dimensional Transition Metal Dichalcogenide (TMD) materials is investigated by atomistic quantum transport simulations. One of the major challenges of…

Tunnel field effect transistor (TFET) devices are attractive as they show good scalability and have very low leakage current. However they suffer from low on-current and high threshold voltage. In order to employ the TFET for circuit…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Sneh Saurabh , M. Jagadesh Kumar

In recent years, a lot of scientific research effort has been put forth for the investigation of Transition Metal Dichalcogenides (TMDC) and other Two Dimensional (2D) materials like Graphene, Boron Nitride. Theoretical investigation on the…

Computational Physics · Physics 2018-02-27 Kanak Datta , Quazi D. M. Khosru

In this paper, we present the unique features exhibited by modified asymmetrical Double Gate (DG) silicon on insulator (SOI) MOSFET. The proposed structure is similar to that of the asymmetrical DG SOI MOSFET with the exception that the…

Mesoscale and Nanoscale Physics · Physics 2010-08-19 G. Venkateshwar Reddy , M. Jagadesh Kumar1

This paper projects the enhanced drive current of a n-type electrostatically doped (ED) tunnel field-effect transistor (ED-TFET) based on heterojunction and band-gap engineering via TCAD 2-D device simulations. The homojunction ED-TFET…

Mesoscale and Nanoscale Physics · Physics 2015-12-22 Kanchan Cecil , Jawar Singh

In this paper, we have worked out a pseudo two dimensional (2D) analytical model for surface potential and drain current of a long channel p-type Dual Material Gate (DMG) Gate All-Around (GAA) nanowire Tunneling Field Effect Transistor…

Mesoscale and Nanoscale Physics · Physics 2014-06-23 Rajat Vishnoi , M. Jagadesh Kumar

Tunneling field-effect transistors (TFETs) based on 2D materials are promising steep sub-threshold swing (SS) devices due to their tight gate control. There are two major methods to create the tunnel junction in these 2D TFETs: electrical…

Mesoscale and Nanoscale Physics · Physics 2016-08-30 Hesameddin Ilatikhameneh , Gerhard Klimeck , Joerg Appenzeller , Rajib Rahman

Tunneling field-effect transistors (TFETs) have gained a great deal of recent interest due to their potential to reduce power dissipation in integrated circuits. One major challenge for TFETs so far has been achieving high drive currents,…

Mesoscale and Nanoscale Physics · Physics 2010-11-25 Siyuranga O. Koswatta , Steven J. Koester , Wilfried Haensch

The dielectric engineered tunnel field-effect transistor (DE-TFET) as a high performance steep transistor is proposed. In this device, a combination of high-k and low-k dielectrics results in a high electric field at the tunnel junction. As…

Mesoscale and Nanoscale Physics · Physics 2015-10-23 Hesameddin Ilatikhameneh , Tarek A. Ameen , Gerhard Klimeck , Joerg Appenzeller , Rajib Rahman

Here, we propose a Charge Plasma (CP)-based Germanium Double Gate Tunnel Field-Effect Transistor (Ge-DGTFET) device structure, where a CP is induced in the heavily doped source region using the work function engineering of source electrode.…

Applied Physics · Physics 2022-12-29 Sambhu P. Malik , Ajeet K. Yadav , Robin Khosla

2D transition metal dichalcogenides (TMDs) have attracted a lot of attention recently for energy-efficient tunneling-field-effect transistor (TFET) applications due to their excellent gate control resulting from their atomically thin…

Mesoscale and Nanoscale Physics · Physics 2016-08-22 Tarek A. Ameen , Hesameddin Ilatikhameneh , Gerhard Klimeck , Rajib Rahman

Low power consumption in both static and dynamic modes of operation is a key requirement in modern, highly scaled nanoelectronics. Tunneling field-effect transistors (TFETs) that exploit direct band-to-band tunneling of charges and exhibit…

Thickness engineered tunneling field-effect transistors (TE-TFET) as a high performance ultra-scaled steep transistor is proposed. This device exploits a specific property of 2D materials: layer thickness dependent energy bandgap (Eg).…

Mesoscale and Nanoscale Physics · Physics 2017-03-08 Fan W. Chen , Hesameddin Ilatikhameneh , Tarek A. Ameen , Gerhard Klimeck , Rajib Rahman

Traditional transistors based on complementary metal-oxide-semiconductor (CMOS) and metal-oxide-semiconductor field-effect transistors (MOSFETs) are facing significant limitations as device scaling reaches the limits of Moore's Law. These…

Applied Physics · Physics 2024-09-30 Chloe Isabella Tsang , Haihui Pu , Junhong Chen

In recent part extensive simulation work has already been done on TFETs. However this is limited to device performance analysis. Evaluation of circuit performance is a topic that is very little touched. This is due to the non availability…

Mesoscale and Nanoscale Physics · Physics 2011-05-26 Rahul Mishra , Bahniman Ghosh

Triple heterojunction (THJ) TFETs have been proposed to resolve the low ON-current challenge of TFETs. However, the design space for THJ-TFETs is limited by fabrication challenges with respect to device dimensions and material interfaces.…

Two-dimensional (2D) transition metal dichalcogenides (TMDs) such as molybdenum disulfide (MoS2) have been intensively investigated because of their exclusive physical properties for advanced electronics and optoelectronics. In the present…

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