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相关论文: Non-quasi-static effects in graphene field-effect …

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A graphene field effect transistor, where the active area is made of monolayer large-area graphene, is simulated including a full 2D Poisson equation and a drift-diffusion model with mobilities deduced by a direct numerical solution of the…

应用物理 · 物理学 2021-09-01 Giovanni Nastasi , Vittorio Romano

Channel length scaling in graphene field effect transistors (GFETs) is key in the pursuit of higher performance in radio frequency electronics for both rigid and flexible substrates. Although two-dimensional (2D) materials provide a…

介观与纳米尺度物理 · 物理学 2016-06-24 Pedro C. Feijoo , David Jiménez , Xavier Cartoixà

Electron devices based on graphene have lately received a considerable interest; in fact, they could represent the ultimate miniaturization, since the active area is only one atom tick. However, the gapless dispersion relation of graphene…

数学物理 · 物理学 2025-12-04 Giovanni Nastasi , Vittorio Romano

Using 2-D self-consistent ballistic quantum transport simulations, we investigate the short-channel behavior of graphene field-effect transistors and its impact on the device transconductance and subsequently the intrinsic cut-off frequency…

介观与纳米尺度物理 · 物理学 2011-10-31 Kartik Ganapathi , Youngki Yoon , Sayeef Salahuddin

Vertical tunneling field-effect-transistor (FET) based on graphene heterojunctions with layers of hBN is simulated by self-consistent quantum transport simulations. It is found that the asymmetric p-type and n-type conduction is due to work…

介观与纳米尺度物理 · 物理学 2015-06-05 S. Bala Kumar , Gyungseon Seol , Jing Guo

A small-signal equivalent circuit for graphene field-effect transistors is proposed considering the explicit contribution of effects at the metal-graphene interfaces by means of contact resistances. A methodology to separate the contact…

We present an atomistic three-dimensional simulation of graphene nanoribbon field effect transistors (GNR-FETs), based on the self-consistent solution of the 3D Poisson and Schroedinger equation with open boundary conditions within the…

介观与纳米尺度物理 · 物理学 2009-11-13 G. Fiori , G. Iannaccone

Inelastic phonon scattering in graphene field-effect transistors (FETs) is studied by numerically solving the Boltzmann transport equation in three dimensional real and phase spaces (x, kx, ky). A kink behavior due to ambipolar transport…

介观与纳米尺度物理 · 物理学 2015-05-27 Jyotsna Chauhan , Jing Guo

We present a circuit-compatible compact model of the intrinsic capacitances of graphene field-effect transistors (GFETs). Together with a compact drain current model, a large-signal model of GFETs is developed combining both models as a…

介观与纳米尺度物理 · 物理学 2016-09-07 Francisco Pasadas , David Jiménez

Strongly correlated electron liquids which occur in quantizing magnetic fields reveal a cornucopia of fascinating quantum phenomena such as fractionally charged quasiparticles, anyonic statistics, topological order, and many others. Probing…

介观与纳米尺度物理 · 物理学 2010-03-09 D. A. Abanin , I. Skachko , X. Du , E. Y. Andrei , L. S. Levitov

We propose an explicit small-signal graphene field-effect transistor (GFET) parameter extraction procedure based on a charge-based quasi-static model. The dependence of the small-signal parameters on both gate voltage and frequency is…

介观与纳米尺度物理 · 物理学 2023-02-10 Nikolaos Mavredakis , Anibal Pacheco-Sanchez , Wei Wei , Emiliano Pallecchi , Henri Happy , David Jiménez

Charge noise is critical in the performance of gate-controlled quantum dots (QDs). Here we show the 1/f noise for a microscopic graphene QD is substantially larger than that for a macroscopic graphene field-effect transistor (FET),…

介观与纳米尺度物理 · 物理学 2015-10-14 Xiang-Xiang Song , Hai-Ou Li , Jie You , Tian-Yi Han , Gang Cao , Tao Tu , Ming Xiao , Guang-Can Guo , Hong-Wen Jiang , Guo-Ping Guo

A low complexity computational model of the current-voltage characteristics for graphene nano-ribbon (GNR) field effect transistors (FET), able to simulate a hundred of points in few seconds using a PC, is presented. For quantum capacitance…

介观与纳米尺度物理 · 物理学 2008-07-15 David Jimenez

The scaling behaviors of graphene nanoribbon (GNR) Schottky barrier field-effect transistors (SBFETs) are studied by solving the non-equilibrium Green's function (NEGF) transport equation in an atomistic basis set self-consistently with a…

介观与纳米尺度物理 · 物理学 2009-11-13 Yijian Ouyang* , Youngki Yoon* , Jing Guo

In this work, we present a performance analysis of Field Effect Transistors based on recently fabricated 100% hydrogenated graphene (the so-called graphane) and theoretically predicted semi-hydrogenated graphene (i.e. graphone). The…

介观与纳米尺度物理 · 物理学 2015-05-18 Gianluca Fiori , S. Lebègue , A. Betti , P. Michetti , M. Klintenberg , O. Eriksson , Giuseppe Iannaccone

The main target of this article is to propose for the first time a physics-based continuous and symmetric compact model that accurately captures IV experimental dependencies induced by geometrical scaling effects for graphene transistor…

This paper reviews the current status of graphene transistors as potential supplement to silicon CMOS technology. A short overview of graphene manufacturing and metrology methods is followed by an introduction of macroscopic graphene field…

介观与纳米尺度物理 · 物理学 2009-11-25 Max C. Lemme

A 200 mm processing platform for the large-scale production of graphene field-effect transistor-quantum dot (GFET-QD) hybrid photodetectors is demonstrated. Comprehensive statistical analysis of electric data shows a high yield (96%) and…

Graphene-based devices are planned to augment the functionality of Si and III-V based technology in radio-frequency (RF) electronics. The expectations in designing graphene {field-effect} transistors (GFETs) with enhanced RF performance…

应用物理 · 物理学 2019-11-18 A. Toral-Lopez , E. G. Marin , F. Pasadas , J. M. Gonzalez-Medina , F. G. Ruiz , D. Jiménez , A. Godoy

We introduce a new method for hardware non-uniform random number generation based on the transfer characteristics of graphene field-effect transistors (GFETs) which requires as few as two transistors and a resistor (or transimpedance…

新兴技术 · 计算机科学 2020-10-29 Nathaniel Joseph Tye , James Timothy Meech , Bilgesu Arif Bilgin , Phillip Stanley-Marbell
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