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Related papers: Advancements in Complementary Carbon Nanotube Fiel…

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We have fabricated field effect transistors from carbon nanotubes using a novel selective placement scheme. We use carbon nanotubes that are covalently bound to molecules containing hydroxamic acid functionality. The functionalized…

Materials Science · Physics 2015-07-20 Christian Klinke , James B. Hannon , Ali Afzali , Phaedon Avouris

Two-dimensional materials are considered for future quantum devices and are usually produced by extensive methods like molecular beam epitaxy. We report on the fabrication of field-effect transistors using individual ultra-thin lead sulfide…

Materials Science · Physics 2015-07-20 Sedat Dogan , Thomas Bielewicz , Yuxue Cai , Christian Klinke

We report fabrication of an optically active, bio-electronic device based on thin film of purple membrane and single walled carbon nanotubes (SWNT). Two dimensional (2D) crystals of photoactive bacteriorhodopsin forms the optical center of…

Applied Physics · Physics 2017-04-24 Vikram Bakaraju , E. Senthil Prasad , Harsh Chaturvedi

This paper is the first one of a series of two articles in which we revisit the optical properties of single-walled carbon nanotubes (SWNT). Produced by rolling up a graphene sheet, SWNT owe their intriguing properties to their cylindrical…

Mathematical Physics · Physics 2018-11-30 Morten Rasmussen , Benjamin Ricaud , Baptiste Savoie

We show that carbon nanotube transistors operate as unconventional "Schottky barrier transistors", in which transistor action occurs primarily by varying the contact resistance rather than the channel conductance. Transistor characteristics…

Materials Science · Physics 2016-08-31 S. Heinze , J. Tersoff , R. Martel , V. Derycke , J. Appenzeller , Ph. Avouris

The electronic structures of zig-zag and arm-chair single-walled carbon nanotubes interacting with a transitional-metal atomic nanowire of Ni have been determined. The Ni nanowire creates a large electron density of states (DOS)at the Fermi…

Superconductivity · Physics 2009-11-07 Nacir Tit , M. W. C. Dharma-wardana

Advanced electronic device technologies require a faster operation and smaller average power consumption, which are the most important parameters in very large scale integrated circuit design. The conventional Complementary Metal-Oxide…

Emerging Technologies · Computer Science 2018-05-11 A. Nagalakshmi , Ch. Sirisha , Dr. D. N. Madhusudana Rao

Printed electronics rely on the deposition of conductive liquid inks, typically onto polymeric or paper substrates. Among available conductive fillers for use in electronic inks, carbon nanotubes (CNTs) have high conductivity, low density,…

In this paper, we demonstrate by simulation the feasibility of electrostatically doped and therefore reconfigurable planar field-effect-transistor (FET) structure which is based on our already fabricated and published Si-nanowire (SiNW)…

Mesoscale and Nanoscale Physics · Physics 2014-04-11 Tillmann Krauss , Frank Wessely , Udo Schwalke

We report measurements on ropes of Single Walled Carbon Nanotubes (SWNT) in low-resistance contact to non-superconducting (normal) metallic pads, at low voltage and at temperatures down to 70 mK. In one sample, we find a two order of…

Mesoscale and Nanoscale Physics · Physics 2019-08-17 M. Kociak , A. Yu. Kasumov , S. Gueron , B. Reulet , L. Vaccarini , I. I. Khodos , Yu. B. Gorbatov , V. T. Volkov , H. Bouchiat

The capabilities of the mechanical resonator-based nanosensors in detecting ultra-small mass or force shifts have driven a continuing exploration of the palette of nanomaterials for such application purpose. Based on large-scale molecular…

Materials Science · Physics 2015-06-25 Haifei Zhan , Guiyong Zhang , Baocheng Zhang , John M. Bell , Yuantong Gu

We report on coupling between semiconducting single-wall carbon nanotubes (s-SWNT) photoluminescence and silicon microring resonators. Polyfluorene extracted s-SWNT deposited on such resonators exhibit sharp emission peaks, due to…

Optics · Physics 2015-08-06 Adrien Noury , Xavier Le Roux , Laurent Vivien , Nicolas Izard

We report on fabrication of novel field-effect transistors (FETs) based on transition metal dichalcogenides. The unique structure of single crystals of these layered inorganic semiconductors enables fabrication of FETs with intrinsically…

Materials Science · Physics 2009-11-10 V. Podzorov , M. E. Gershenson , Ch. Kloc , R. Zeis , E. Bucher

We perform analysis of the band structure, phonon dispersion, and electron-phonon interactions in three types of small-radius carbon nanotubes. We find that the (5,5) can be described well by the zone-folding method and the electron-phonon…

Superconductivity · Physics 2009-11-10 Ryan Barnett , Eugene Demler , Efthimios Kaxiras

We propose a semi-suspended device structure and construct nanogapped, hysteresis-free field-effect transistors (FETs), based on the van der Waals stacking technique. The structure, which features a semi-suspended channel above a…

Mesoscale and Nanoscale Physics · Physics 2023-06-29 Jiachen Tang , Luhao Liu , Yinjiang Shao , Xinran Wang , Yi Shi , Songlin Li

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

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

While decreasing the oxide thickness in carbon nanotube field-effect transistors (CNFETs) improves the turn-on behavior, we demonstrate that this also requires scaling the range of the drain voltage. This scaling is needed to avoid an…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. Radosavljevic , S. Heinze , J. Tersoff , Ph. Avouris

The interactions between carbon nanotubes (CNTs) and metal adatoms as well as metal contacts are studied by means of ab initio electronic structure calculations. We show that the electronic properties of a semiconducting (8,4) CNT can be…

Mesoscale and Nanoscale Physics · Physics 2017-07-04 F. Fuchs , A. Zienert , C. Wagner , J. Schuster , S. E. Schulz

We use impedance spectroscopy to measure the high frequency properties of single-walled carbon nanotube field effect transistors (swCN-FETs). Furthermore, we extend Scanning Gate Microscopy (SGM) to frequencies up to 15MHz, and use it to…

Materials Science · Physics 2007-05-23 Cristian Staii , Rui Shao , Dawn A. Bonnell , Alan T. Johnson