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In the present work, we have investigated the performances of L shaped Vertical broken bandgapheterostructureInSb InAsn-channel tunnel field effect transistors TFETs of 4 nm thin channel structures with the gate lengths of 20nm. We have…

材料科学 · 物理学 2014-08-13 Bhupesh Bishnoi , Bahniman Ghosh

Recent experiments shown that graphene epitaxially grown on Silicon Carbide (SiC) can exhibit a energy gap of 0.26 eV, making it a promising material for electronics. With an accurate model, we explore the design parameter space for a fully…

介观与纳米尺度物理 · 物理学 2010-07-02 Paolo Michetti , Martina Cheli , Giuseppe Iannaccone

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…

介观与纳米尺度物理 · 物理学 2010-08-19 G. Venkateshwar Reddy , M. Jagadesh Kumar1

In this work, the transport of tunnel field-effect transistor (TFET) based on vertically stacked hereto-structures from 2D transition metal dichalcogenide (TMD) materials is investigated by atomistic quantum transport simulations. WTe2-MoS2…

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…

介观与纳米尺度物理 · 物理学 2016-08-22 Tarek A. Ameen , Hesameddin Ilatikhameneh , Gerhard Klimeck , Rajib Rahman

The continuous down-scaling of transistors has been the key to the successful development of current information technology. However, with Moore's law reaching its limits, the development of alternative transistor architectures is urgently…

We investigate the design of steep-slope metal-oxide-semiconductor field-effect transistors (MOSFETs) exploiting monolayers of transition metal dihalides as channel materials. With respect to other previously proposed steep-slope…

介观与纳米尺度物理 · 物理学 2021-06-24 Demetrio Logoteta , Jiang Cao , Marco Pala , Paolo Marconcini , Giuseppe Iannaccone

Transition metal dichalcogenides (TMDCs), with their two-dimensional structures and sizable bandgaps, are good candidates for barrier materials in tunneling field-effect transistor (TFET) formed from atomic precision vertical stacks of…

材料科学 · 物理学 2017-05-04 Xiang-Guo Li , Yun-Peng Wang , X. -G. Zhang , Hai-Ping Cheng

High frequency operation of tunneling real-space transfer transistor (TRSTT) in the negative differential resistance (NDR) regime is assessed by calculating the device common source unity current gain frequency (fT) range with a small…

介观与纳米尺度物理 · 物理学 2011-12-12 Wen Huang , Xin Yu , Shi-Lin Zhang , Lu-Hong Mao , Jean-Pierre Leburton

Tunnel field effect transistors (TFETs) utilizing semiconductor heterojunctions have shown promise for low energy logic but presently do not display subthreshold swings steeper than the room-temperature thermal limit of 60 mV/decade. These…

介观与纳米尺度物理 · 物理学 2015-10-28 Ryan M. Iutzi , Eugene A. Fitzgerald

Estimation of threshold voltage V T variability for NWFETs has been compu- tationally expensive due to lack of analytical models. Variability estimation of NWFET is essential to design the next generation logic circuits. Compared to any…

应用物理 · 物理学 2018-08-01 P Harsha Vardhan , Sushant Mittal , Swaroop Ganguly , Udayan Ganguly

Fundamental physical properties limiting the performance of spin field effect transistors are compared to those of ordinary (charge-based) field effect transistors. Instead of raising and lowering a barrier to current flow these spin…

介观与纳米尺度物理 · 物理学 2007-05-23 Kimberley C. Hall , Michael E. Flatté

Spin field effect transistors (SpinFET) are an iconic class of spintronic devices that exploit gate tuned spin-orbit interaction in semiconductor channels interposed between ferromagnetic source and drain contacts to elicit transistor…

介观与纳米尺度物理 · 物理学 2023-11-08 Rahnuma Rahman , Supriyo Bandyopadhyay

We investigate the operation of dual-gate reconfigurable field-effect transistor (RFET) in the programgate at drain (PGAD) and program-gate at source (PGAS) configurations. To this end, dual-gate silicon nanowire (SiNW) FETs are fabricated…

In this paper, we demonstrate by simulation the general usability of an electrostatically doped and electrically reconfigurable planar field-effect transistor (FET) structure. The device concept is partly based on our already published and…

材料科学 · 物理学 2014-05-30 Tillmann Krauss , Frank Wessely , Udo Schwalke

Band-to-band tunnelling field-effect transistors (TFETs) have long been considered as promising candidates for future low-power logic applications. However, fabricated TFETs rarely reach sub-60 mV/dec sub-threshold swings (SS) at room…

介观与纳米尺度物理 · 物理学 2024-11-01 Chen Hao Xia , Leonard Deuschle , Jiang Cao , Alexander Maeder , Mathieu Luisier

In this paper, a two-dimensional analytical model of a laterally graded-channel triple-metal double-gate Junctionless Field Effect Transistor with hetero dielectric gate oxide stack consisting of SiO$_2$ and HfO$_2$ is derived. The model…

材料科学 · 物理学 2021-09-24 Shib Sankar Das , Barun Majumder , Ankush Ghosh

In this work, we propose the Bilayer Graphene Tunnel Field Effect Transistor (BG-TFET) as a device suitable for fabrication and circuit integration with present-day technology. It provides high Ion/Ioff ratio at ultra-low supply voltage,…

介观与纳米尺度物理 · 物理学 2015-05-13 G. Fiori , G. Iannaccone

In this work, the source structure of an n-type thin-film tunneling FET is engineered to get better performance. An ultra-thin SiGe along with Si is used in the source of silicon-based TFET. Two structures are compared with conventional…

介观与纳米尺度物理 · 物理学 2020-08-25 Hamed Habibi , Shoeib Babaee Touski

The primary mechanism of operation of almost all transistors today relies on electric-field effect in a semiconducting channel to tune its conductivity from the conducting 'on'-state to a non-conducting 'off'-state. As transistors continue…