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A dual-gate graphene field-effect transistors is presented, which shows improved RF performance by reducing the access resistance using electrostatic doping. With a carrier mobility of 2700 cm2/Vs, a cutoff frequency of 50 GHz is…

Mesoscale and Nanoscale Physics · Physics 2009-12-21 Yu-Ming Lin , Hsin-Ying Chiu , Keith A. Jenkins , Damon B. Farmer , Phaedon Avouris , Alberto Valdes-Garcia

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…

Graphene is considered to be a promising candidate for future nano-electronics due to its exceptional electronic properties. Unfortunately, the graphene field-effect-transistors (FETs) cannot be turned off effectively due to the absence of…

Materials Science · Physics 2010-02-11 Fengnian Xia , Damon B. Farmer , Yu-ming Lin , Phaedon Avouris

Diamond field-effect transistors (FETs) have potential applications in power electronics and high-output high-frequency amplifications. In such applications, high charge-carrier mobility is desirable for a reduced loss and high-speed…

Electrostatically tunable Josephson field-effect transistors (JoFETs) are one of the most desired building blocks of quantum electronics. JoFET applications range from parametric amplifiers and superconducting qubits to a variety of…

The increasing demand for cryogenic electronics in superconducting and quantum computing systems calls for ultra energy efficient data conversion architectures that remain functional at deep cryogenic temperatures.In this work, we present…

We present an analytical device model for a graphene bilayer field-effect transistor (GBL-FET) with a graphene bilayer as a channel, and with back and top gates. The model accounts for the dependences of the electron and hole Fermi energies…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 V. Ryzhii , M. Ryzhii , A. Satou , T. Otsuji , N. Kirova

An evaluation of the gate capacitance of a field-effect transitor (FET) whose channel length and width are several ten nanometer, is a key point for sensors applications. However, experimental and precise evaluation of capacitance in the aF…

Mesoscale and Nanoscale Physics · Physics 2011-09-16 Nicolas Clement , Katsuhiko Nishiguchi , Akira Fujiwara , Dominique Vuillaume

Josephson junction field effect transistors (JJ-FET) share design similarities with metal-oxide-semiconductor field effect transistors, except for the source/drain contacts being replaced by superconductors. Similarly, the super current due…

Applied Physics · Physics 2019-11-19 Feng Wen , Javad Shabani , Emanuel Tutuc

A broad TCAD simulation analysis of a monolithic common drain bidirectional GaN HEMT was performed. We used gate-to-gate distances of 4 microns and 6 microns for the devices optimized with two field plates. The breakdown voltages were 675V…

Applied Physics · Physics 2024-10-25 Md Tahmidul Alam , Chirag Gupta

The gate-voltage-induced suppression of critical currents in metallic superconductors observed recently [De Simoni et al., Nat. Nanotechnol. 13, 802 (2018)] has raised crucial questions regarding the nature and mechanism of the electric…

The design of a 1 micrometer gate length depletion-mode InSb quantum-well field-effect transistor (QWFET) with a 10 nm-thick Al2O3 gate dielectric has been optimized using a quantum corrected self-consistent Schrodinger-Poisson (QCSP) and…

Mesoscale and Nanoscale Physics · Physics 2016-06-28 R. Islam , M. M. Uddin , M. Mofazzal Hossain , M. B. Santos , M. A. Matin , Y. Hirayama

Recently, we proposed a novel transistor architecture for 3D stacked FETs called Flip FET (FFET), featuring N/P transistors back-to-back stacked and dual-sided interconnects. With dual-sided power rails and signal tracks, FFET can achieve…

Mesoscale and Nanoscale Physics · Physics 2025-04-15 Rui Gui , Haoran Lu , Jiacheng Sun , Xun Jiang , Lining Zhang , Ming Li , Yibo Lin , Runsheng Wang , Heng Wu , Ru Huang

To realize the full spectrum of advantages that the III-nitride materials system offers, the demonstration of p-channel III-nitride based devices is valuable. Authors report the first p-type field effect transistor (pFET) based on an…

Applied Physics · Physics 2019-12-12 Athith Krishna , Aditya Raj , Nirupam Hatui , Onur Koksaldi , Raina Jang , Stacia Keller , Umesh Mishra

In this work, we demonstrate a dual-gated (DG) MoS2 field effect transistors (FETs) in which the degraded switching performance of multilayer MoS2 can be compensated by the DG structure. It produces large current density (>100 {\mu}A/{\mu}m…

The field effect transistors (FETs) exhibited ultrahigh responsivity (107 A/W) to infrared light with great improvement of mobility in graphene / PbS quantum dot (QD) hybrid. These reported transistors are either unipolar or depletion mode…

Instrumentation and Detectors · Physics 2014-10-10 Ran Wang , Yating Zhang , Haiyang Wang , Xiaoxian Song , Lufan Jin , Haitao Dai , Sen Wu , Jianquan Yao

Gate-all-around (GAA) nanowire (NW) field-effect transistor (FET) is a promising device architecture due to its superior gate controllability than that of the conventional FinFET architecture. The significantly higher electron mobility of…

Materials Science · Physics 2023-10-18 Linqiang Xu , Lianqiang Xu , Qiuhui Li , Shibo Fang , Ying Li , Ying Guo , Aili Wang , Ruge Quhe , Yee Sin Ang , Jing Lu

Theoretical predictions are made for the current-voltage characteristics of two-dimensional heterojunction interlayer tunneling field-effect transistors (Thin-TFETs), focusing on the magnitude of the current that is achievable in such…

Mesoscale and Nanoscale Physics · Physics 2017-09-22 Jun Li , Yifan Nie , Kyeongjae Cho , Randall M. Feenstra

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

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…