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Molecular level components, like carbon multiwalled nanotubes (MWNT), show great potential for future nanoelectronics. At low frequencies, only the outermost carbon layer determines the transport properties of the MWNT. Due to the…

介观与纳米尺度物理 · 物理学 2007-05-23 Markus Ahlskog , Pertti Hakonen , Mikko Paalanen , Leif Roschier , Reeta Tarkiainen

High performance p- and n-type single-walled carbon nanotube (SWNT) field-effect transistors (FETs) are obtained by using high and low work function metals, Pd and Al as source/drain (S/D) electrodes respectively. Ohmic contacts made to…

介观与纳米尺度物理 · 物理学 2007-05-23 Ali Javey , Qian Wang , Woong Kim , Hongjie Dai

A simple method combining photolithography and shadow (or angle) evaporation is developed to fabricate single-walled carbon nanotube (SWCNT) devices with tube lengths L~10-50 nm between metal contacts. Large numbers of such short devices…

材料科学 · 物理学 2009-11-10 Ali Javey , Pengfei Qi , Qian Wang , Hongjie Dai

Rhodium (Rh) is found similar to Palladium (Pd) in making near-ohmic electrical contacts to single-walled carbon nanotubes (SWNTs) with diameters d > ~ 1.6 nm. Non-negligible positive Schottky barriers (SBs) exist between Rh or Pd and…

介观与纳米尺度物理 · 物理学 2015-06-25 Woong Kim , Ali Javey , Ryan Tu , Jien Cao , Qian Wang , Hongjie Dai

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…

数学物理 · 物理学 2018-11-30 Morten Rasmussen , Benjamin Ricaud , Baptiste Savoie

Carbon nanotube field-effect transistors with structures and properties near the scaling limit with short (down to 50 nm) channels, self aligned geometries, palladium electrodes with low contact resistance and high-k dielectric gate…

其他凝聚态物理 · 物理学 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Erhan Yenilmez , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

Carbon nanotubes (CNT) have a very large application potential in the rapid developing field of molecular electronics. Infinite single-wall metallic CNTs have theoretically a conductance of 4e2/h because of the two electronic bands crossing…

介观与纳米尺度物理 · 物理学 2007-05-23 N. Ranjan , R. Gutierrez-Laliga , S. Krompiewski , G. Cuniberti

High-performance solution-processed short-channel carbon nanotube (CNT) thin film transistors (TFTs) are fabricated using densely aligned arrays of metallic CNTs (m-CNTs) as source and drain electrodes, and aligned arrays of semiconducting…

介观与纳米尺度物理 · 物理学 2015-06-18 Biddut K. Sarker , Narae Kang , Saiful I. Khondaker

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…

材料科学 · 物理学 2015-06-24 Ali Javey , Ryan Tu , Damon Farmer , Jing Guo , Roy Gordon , Hongjie Dai

Organic electrochemical transistors (OECTs) have the potential to revolutionize the field of organic bioelectronics. To date, most of the reported OECTs include p-type (semi-)conducting polymers as the channel material, while n-type OECTs…

Single-walled carbon nanotubes (SWNTs) have been grown via chemical vapor deposition on high-kappa dielectric SrTiO3/Si substrates, and high-performance semiconducting SWNT field-effect transistors have been fabricated using the thin SrTiO3…

介观与纳米尺度物理 · 物理学 2007-12-05 B. M. Kim , T. Brintlinger , E. Cobas , Haimei Zheng , M. S. Fuhrer , Z. Yu , R. Droopad , J. Ramdani , K. Eisenbeiser

Single electron transistors (SETs) are fabricated by placing single walled carbon nanotubes (SWNTs) on a 100 nm wide local Al/Al2O3 bottom gate and then contacting with Pd electrodes. Coulomb oscillations up to 125 K were observed and…

介观与纳米尺度物理 · 物理学 2009-11-13 Paul Stokes , Saiful I. Khondaker

Substantial progress on field effect transistors "FETs" consisting of semiconducting single wall carbon nanotubes "s-SWNTs" without detectable traces of metallic nanotubes and impurities is reported. Nearly perfect removal of metallic…

Single-walled carbon nanotubes (SWNTs) have many interesting properties; they may be metallic or semiconducting depending on their diameter and helicity of the graphene sheet. Hydrostatic or quasi-hydrostatic high pressures can probe many…

材料科学 · 物理学 2009-11-10 R. Falconi , J. A. Azamar , R. Escudero

Single-walled carbon nanotubes (SWNTs) are typically long (>100 nm) and have been well established as novel quasi one-dimensional systems with interesting electrical, mechanical, and optical properties. Here, quasi zero-dimensional SWNTs…

材料科学 · 物理学 2008-04-30 Xiaoming Sun , Sasa Zaric , Dan Daranciang , Kevin Welsher , Yuerui Lu , Xiaolin Li , Hongjie Dai

High performance enhancement mode semiconducting carbon nanotube field-effect transistors (CNTFETs) are obtained by combining ohmic metal-tube contacts, high dielectric constant HfO2 films as gate insulators, and electrostatically doped…

介观与纳米尺度物理 · 物理学 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Dunwei Wang , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

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…

介观与纳米尺度物理 · 物理学 2017-07-04 F. Fuchs , A. Zienert , C. Wagner , J. Schuster , S. E. Schulz

Single walled carbon nanotubes (SWNT) have displayed a wealth of quantum transport phenomena thus far. Defect free, unperturbed SWNTs with wellbehaved or tunable metal contacts are important to probing the intrinsic electrical properties of…

介观与纳米尺度物理 · 物理学 2015-06-25 Jien Cao , Qian Wang , Hongjie Dai

Three-terminal devices with conduction channels formed by quasi-metallic carbon nanotubes (CNT) are shown to operate as nanotube-based field-effect transistors under strong magnetic fields. The off-state conductance of the devices varies…

A method is introduced to isolate and measure the electrical transport properties of individual single-walled carbon nanotubes (SWNTs) aligned on an ST-cut quartz, from room temperature down to 2 K. The diameter and chirality of the…

介观与纳米尺度物理 · 物理学 2014-08-26 Tohru Watanabe , El-Hadi S. Sadki , Takahide Yamaguchi , Yoshihiko Takano
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