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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…

介观与纳米尺度物理 · 物理学 2011-05-26 Rahul Mishra , Bahniman Ghosh

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).…

介观与纳米尺度物理 · 物理学 2017-03-08 Fan W. Chen , Hesameddin Ilatikhameneh , Tarek A. Ameen , Gerhard Klimeck , Rajib Rahman

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

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…

介观与纳米尺度物理 · 物理学 2015-05-19 Sneh Saurabh , 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…

介观与纳米尺度物理 · 物理学 2010-10-19 Sneh Saurabh , M. Jagadesh Kumar

Strain engineering has recently been explored to improve tunnel field-effect transistors (TFETs). Here, we report design and performance of strained ultra-thin-body (UTB) III-V TFETs by quantum transport simulations. It is found that for an…

介观与纳米尺度物理 · 物理学 2016-05-04 Jun Z. Huang , Yu Wang , Pengyu Long , Yaohua Tan , Michael Povolotskyi , Gerhard Klimeck

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,…

介观与纳米尺度物理 · 物理学 2010-11-25 Siyuranga O. Koswatta , Steven J. Koester , Wilfried Haensch

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…

介观与纳米尺度物理 · 物理学 2016-08-30 Hesameddin Ilatikhameneh , Gerhard Klimeck , Joerg Appenzeller , Rajib Rahman

Dual-material double-gate tunnel field effect transistor (DMDG TFET) is a promising candidate for low-power, high-speed electronics due to enhanced electrostatic control and superior switching characteristics. Integrating a pocket region…

应用物理 · 物理学 2025-06-11 Ramisa Fariha , Saikat Das , Labiba Tanjil Nida , Abeer Khan , Md Tashfiq Bin Kashem

In this letter we not only show improvement in the performance but also in the reliability of 30nm thick biaxially strained SiGe (20%Ge) channel on Si p-MOSFETs. Compared to Si channel, strained SiGe channel allows larger hole mobility…

介观与纳米尺度物理 · 物理学 2015-05-20 Shweta Deora , Abhijeet Paul , R. Bijesh , Jeff Huang , Gerhard Klimeck , Gennadi Bersuker , P. D. Krisch , Raj Jammy

We investigated the effect of material choice and orientation in limiting source to drain tunneling (SDT) in nanowire (NW) p-MOSFETs. Si, Ge, GaSb, and Ge0.96Sn0.04 nanowire MOSFETs (NWFETs) were simulated using rigorous ballistic quantum…

应用物理 · 物理学 2020-01-01 Dibakar Yadav , Deleep R Nair

In this paper, we propose a new trench power MOSFET with strained Si channel that provides lower on resistance than the conventional trench MOSFET. Using a 20% Ge mole fraction in the Si1-xGex body with a compositionally graded Si1-xGex…

材料科学 · 物理学 2010-08-19 Raghvendra S. Saxena , M. Jagadesh Kumar

With the further scaling of silicon MOSFETs becoming increasingly harder, the search for an alternative material became crucial. The electron device community found many of the answers in two dimensional materials, especially graphene. With…

介观与纳米尺度物理 · 物理学 2018-05-25 Supratik Sarkar , Samrat Sarkar

As metal-oxide-semiconductor field-effect transistors (MOSFET) channel lengths (Lg) are scaled to lengths shorter than Lg<8 nm source-drain tunneling starts to become a major performance limiting factor. In this scenario a heavier transport…

介观与纳米尺度物理 · 物理学 2015-06-15 Saumitra Mehrotra , SungGeun Kim , Tillmann Kubis , Michael Povolotskyi , Mark Lundstrom , Gerhard Klimeck

A simple electronic experiment with a field effect transistor type microstructure is suggested. The thin superconductor layer is the source-drain channel of the layered structure where an AC current is applied. It is necessary to measure…

超导电性 · 物理学 2009-09-29 Todor Mishonov , Martin Stoev

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.…

In this work, device performances of tunneling field effect transistors (TFETs) based on phosphorene are explored via self-consistent atomistic quantum transport simulations. Phosphorene is an ultra-thin two-dimensional (2-D) material with…

介观与纳米尺度物理 · 物理学 2015-02-27 Jiwon Chang , Chris Hobbs

Interface-enhanced high-temperature superconductivity in one unit-cell (UC) FeSe film on SrTiO3(001) (STO) substrate has recently attracted much attention in condensed matter physics and material science. Here, by ex situ transport…

超导电性 · 物理学 2015-11-26 Qingyan Wang , Wenhao Zhang , Zuocheng Zhang , Yi Sun , Ying Xing , Yayu Wang , Lili Wang , Xucun Ma , Qi-Kun Xue , Jian Wang

Using self-consistent quantum transport simulation on realistic devices, we show that InAs band-to-band Tunneling Field Effect Transistors (TFET) with a heavily doped pocket in the gate-source overlap region can offer larger ON current and…

介观与纳米尺度物理 · 物理学 2010-11-17 Kartik Ganapathi , Youngki Yoon , Sayeef Salahuddin

Power dissipation has become a major obstacle in performance scaling of modern integrated circuits, and has spurred the search for devices operating at lower voltage swing. In this letter, we study p-i-n band-to-band tunneling field effect…

介观与纳米尺度物理 · 物理学 2009-11-13 Siyuranga O. Koswatta , Mark S. Lundstrom , Dmitri E. Nikonov
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