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Calculations of quantum transport in a carbon nanotube transistor show that such a device offers unique functionality. It can operate as a ballistic field-effect transistor, with excellent characteristics even when scaled to 10 nm…

Condensed Matter · Physics 2009-11-07 F. Leonard , J. Tersoff

We report a numerical study of the tunnel conductance through the Schottky barrier at the contact between a semiconducting carbon nanotube and a metal electrode. In a planar gate model the asymmetry between the p--doped and the n--doped…

Mesoscale and Nanoscale Physics · Physics 2009-09-10 Takeshi Nakanishi , Adrian Bachtold , Cees Dekker

High-performance single-wall carbon nanotube field-effect transistors (SWNT-FETs) are fabricated using directed assembly and mass-produced carbon nanotubes (CNTs). These FETs exhibit operating characteristics comparable to state-of-the-art…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 S. A. McGill , S. G. Rao , P. Manandhar , S. Hong , P. Xiong

Atomically thin layered two-dimensional materials, including transition-metal dichacolgenide (TMDC) and black phosphorus (BP), (1) have been receiving much attention, because of their promising physical properties and potential applications…

Materials Science · Physics 2016-02-17 Qi Feng , Faguang Yan , Wengang Luo , Kaiyou Wang?

This letter reports a charge transfer p-doping scheme which utilizes one-electron oxidizing molecules to obtain stable, unipolar carbon nanotube transistors with a self-aligned gate structure. This doping scheme allows one to improve…

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

Molecule-based devices are envisioned to complement silicon devices by providing new functions or already existing functions at a simpler process level and at a lower cost by virtue of their self-organization capabilities. Moreover, they…

Mesoscale and Nanoscale Physics · Physics 2010-02-04 F. Alibart , S. Pleutin , D. Guerin , C. Novembre , S. Lenfant , K. Lmimouni , C. Gamrat , D. Vuillaume

We present quantum simulations of carbon nanotube field-effect transistors (CNT-FETs) based on top-gated architectures and compare to electrical characterization on devices with 15 nm channel lengths. A non-equilibrium Green's function…

Mesoscale and Nanoscale Physics · Physics 2021-10-27 Alfonso Sanchez-Soares , Thomas Kelly , Giorgos Fagas , James C. Greer , Edward Chen

A new non-ballistic analytical model for the intrinsic channel region of MOSFET-like single-walled carbon-nanotube field-effect transistors with ohmic contacts has been developed which overcomes the limitations of existing models and…

Mesoscale and Nanoscale Physics · Physics 2016-03-01 Igor Bejenari , Martin Claus

The continued evolution of CMOS technology demands materials and architectures that emphasize low power consumption, particularly for computations involving large scale data processing and multivariable optimization. Ferroelectric materials…

Solution processed field-effect transistors based on single crystalline silicon nanowires (Si NWs) with metal Schottky contacts are demonstrated. The semiconducting layer was deposited from a nanowire ink formulation at room temperature.…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 Charles Opoku , Radu Sporea , Vlad Stolojan , Ravi Silva , Maxim Shkunov

Single electron transistors (SETs) made from single wall carbon nanotubes (SWCNTs) are promising for quantum electronic devices operating with ultra-low power consumption and allow fundamental studies of electron transport. We report on…

Mesoscale and Nanoscale Physics · Physics 2017-05-09 Nan Ai , Onejae Sul , Milan Begliarbekov , Qiang Song , Kitu Kumar , Daniel S. Choi , Eui-Hyeok Yang , Stefan Strauf

Difficulties in obtaining high-performance p-type transistors and gate insulator charge-trapping effects present two major challenges for III-V complementary metal-oxide semiconductor (CMOS) electronics. We report a p-GaAs nanowire…

Mesoscale and Nanoscale Physics · Physics 2018-09-28 A. R. Ullah , F. Meyer , J. G. Gluschke , S. Naureen , P. Caroff , P. Krogstrup , J. Nygard , A. P. Micolich

In this letter, we demonstrate a non-volatile memory device in a graphene FET structure using ferroelectric gating. The binary information, i.e. "1" and "0", is represented by the high and low resistance states of the graphene working…

Mesoscale and Nanoscale Physics · Physics 2009-04-23 Yi Zheng , Guang-Xin Ni , Chee-Tat Toh , Ming-Gang Zeng , Shu-Ting Chen , Kui Yao , Barbaros Ozyilmaz

A topological quantum field effect transistor (TQFET) uses electric field to switch a material from topological insulator ("on", with conducting edge states) to a conventional insulator ("off"), and can have low subthreshold swing due to…

Mesoscale and Nanoscale Physics · Physics 2025-12-23 Michael S. Fuhrer , Mark T. Edmonds , Dimitrie Culcer , Muhammad Nadeem , Xiaolin Wang , Nikhil Medhekar , Yuefeng Yin , Jared H Cole

Band-to-band tunneling (BTBT) devices have recently gained a lot of interest due to their potential for reducing power dissipation in integrated circuits. We have performed extensive simulations for the BTBT operation of carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Siyuranga O. Koswatta , Mark S. Lundstrom , Dmitri E. Nikonov

Electronic transport in a carbon nanotube (CNT) metal-oxide-semiconductor field effect transistor (MOSFET) is simulated using the non-equilibrium Green's functions method with the account of electron-phonon scattering. For MOSFETs,…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Siyu Koswatta , Mark S. Lundstrom , M. P. Anantram , Dmitri E. Nikonov

We use an Atomic Force Microscope (AFM) tip to locally probe the electronic properties of semiconducting carbon nanotube transistors. A gold-coated AFM tip serves as a voltage or current probe in three-probe measurement setup. Using the tip…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Y. Yaish , J. -Y. Park , S. Rosenblatt , V. Sazonova , M. Brink , P. L. McEuen

Recent advances in nanotechnology have provided new materials which have the potential to surpass copper and aluminum alloys in electrical conductivity, weight and ampacity [2-6]. Among these carbon nanotubes (CNTs) stand out due to their…

Applied Physics · Physics 2020-08-28 Farhad Daneshvar , Hung-Jue Sue

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

In the past decade, semiconducting carbon nanotube thin films have been recognized as contending materials for wide-ranging applications in electronics, energy, and sensing. In particular, improvements in large-area flexible electronics…