English
Related papers

Related papers: High Performance CNFET-based Ternary Full Adders

200 papers

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…

Materials Science · Physics 2014-05-30 Tillmann Krauss , Frank Wessely , Udo Schwalke

Short channel (~80 nm) n-type single-walled carbon nanotube (SWNT) field-effect transistors (FETs) with potassium (K) doped source and drain regions and high-k gate dielectrics (ALD HfO2) are obtained. For nanotubes with diameter ~ 1.6 nm…

Materials Science · Physics 2015-06-24 Ali Javey , Ryan Tu , Damon Farmer , Jing Guo , Roy Gordon , Hongjie Dai

This study presents a simulation approach for three-dimensional nanotube networks using cubic and tetragonal unit cells to enhance modeling efficiency. A random-walk algorithm was developed to generate these networks, which were analyzed in…

Computational Physics · Physics 2025-01-29 Fabian Gumpert , Dominik Eitel , Olaf Kottas , Uta Helbig , Jan Lohbreier

The performance limits of the multilayer graphene nanoribbon (GNR) field-effect transistor (FET) are assessed and compared to those of monolayer GNR FET and carbon nanotube (CNT) FET. The results show that with a thin high-k gate insulator…

Mesoscale and Nanoscale Physics · Physics 2009-12-14 Yijian Ouyang , Hongjie Dai , Jing Guo

The influence of defects on electron transport in single-wall carbon nanotube field effect transistors (CNFETs) is probed by combined scanning gate microscopy (SGM) and scanning impedance microscopy (SIM). SGM reveals a localized field…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Marcus Freitag , Sergei V. Kalinin , Dawn A. Bonnell , A. T. Johnson

We report on a new computational model to efficiently simulate carbon nanotubebased field effect transistors (CNT-FET). In the model, a central region is formed by a semiconducting nanotube that acts as the conducting channel, surrounded by…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 D. Jimenez , X. Cartoixa , E. Miranda , J. Sune , F. A. Chaves , S. Roche

In this paper we present an exhaustive description of the basic types of CNTFETs. In particular we review two models, already proposed by us, which allow an easy implementation in circuit simulators, both in analog and in digital…

Computational Physics · Physics 2015-11-05 Roberto Marani , Anna Gina Perri

In this paper we propose a modified structure of TFET incorporating ferroelectric oxide as the complementary gate dielectric operating in negative capacitance zone, called the Negative Capacitance Tunnel FET (NCTFET). The proposed device…

General Physics · Physics 2014-05-21 Nadim Chowdhury , S. M. Farhaduzzaman Azad , Quazi D. M. Khosru

Multi-Valued Logic (MVL) has more than one logic level defined to represent data whereas binary logic has 2 logic levels. It has been shown that the MVL circuits use the circuit resources more effectively at different voltage levels with…

Digital Libraries · Computer Science 2025-02-18 Anindita Chattopadhyay , Pooja Desai , Vishwas P , Vasundhara Patel K. S

Most carbon nanotube field-effect transistors (CNTFETs) directly attach metal source/drain contacts to an intrinsic nanotube channel. When the gate oxide thickness is reduced, such transistors display strong ambipolar conduction, even when…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Jing Guo , Ali Javey , Hongjie Dai , Supriyo Datta , Mark Lundstrom

The designs integrating the promising carbon nanotube transistors (CNTFET) will have to take into account the constraints implied by the strong dispersion inherent to nanotube manufacturing. This paper proposes to characterize the main…

Materials Science · Physics 2007-08-13 P. Desgreys , J. Gomes Da Silva , D. Robert

A robust power gating design using Graphene Nano-Ribbon Field Effect Transistors (GNRFET) is proposed using 16nm technology. The Power Gating (PG) structure is composed of GNRFET as a power switch and MOS power gated module. The proposed…

Hardware Architecture · Computer Science 2019-01-03 Hader E. El-hmaily , Rabab Ezz-Eldin , A. I. A. Galal , Hesham F. A. Hamed

We describe a robust technique for the fabrication of high performance vertically scaled n-doped field-effect transistors from large band gap carbon nanotubes. These devices have a tunable threshold voltage in the technologically relevant…

Materials Science · Physics 2009-11-10 M. Radosavljevic , J. Appenzeller , Ph. Avouris , J. Knoch

We probed the charge transfer interaction between the amine-containing molecules: hydrazine, polyaniline and aminobutyl phosphonic acid, and carbon nanotube field effect transistors (CNTFETs). We successfully converted p-type CNTFETs to…

Materials Science · Physics 2015-07-20 Christian Klinke , Jia Chen , Ali Afzali , Phaedon Avouris

We demonstrate solution processable large area field effect transistors (FETs) from aligned arrays of carbon nanotubes (CNTs). Commercially available, surfactant free CNTs suspended in aqueous solution were aligned between source and drain…

Materials Science · Physics 2009-11-13 Paul Stokes , Eliot Silbar , Yashira M. Zayas , Saiful I. Khondaker

This thesis proposes novel ternary circuits aiming to reduce energy to preserve battery consumption. The proposed designs include eight ternary logic gates, three ternary combinational circuits, and six Ternary Arithmetic Logic Units. This…

Emerging Technologies · Computer Science 2022-11-17 Ramzi A. Jaber , Lina Nimri , Ali M. Haidar

Carbon nanotubes (CNTs) are promising candidates to improve the thermal conductivity of nano-composites. The main obstacle to these applications is the extremely high thermal boundary (Kapitza) resistance between the CNTs and their matrix.…

Mesoscale and Nanoscale Physics · Physics 2024-04-11 K. G. S. H. Gunawardana , Kieran Mullen

We report the radio-frequency performance of carbon nanotube array transistors that have been realized through the aligned assembly of highly separated, semiconducting carbon nanotubes on a fully scalable device platform. At a gate length…

The current through a carbon nanotube field-effect transistor (CNFET) with cylindrical gate electrode is calculated using the nonequilibrium Greens function method in a tight-binding approximation. The obtained result is in good agreement…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Wen-Juan Yu , Neng-Ping Wang

Optical emission from carbon nanotube transistors (CNTFETs) has recently attracted significant attention due to its potential applications. In this paper, we use a self-consistent numerical solution of the Boltzmann transport equation in…

Mesoscale and Nanoscale Physics · Physics 2008-06-12 Siyuranga O. Koswatta , Vasili Perebeinos , Mark S. Lundstrom , Phaedon Avouris