Papers – Page 351 – TechConnect Briefs

Analog/RF Performance Analysis of Coaxial Carbon Nanotube MOSFET from non-Equilibrium Green’s Function Simulation

Che Y., Chen Q., Liang H., Chen Q., Wang C., He H., Cao Y., PKU-HKUST Shenzhen-Hongkong Institution, CN

the analog/RF performance of Coaxial Carbon Nanotube Field Effect Transistor (CNTFET) including the trans-conductance efficiency gm/Id, cutoff frequency ft, and maximum oscillation frequency fmax are analyzed in details in this paper based on the non-equilibrium [...]

Change of the Electronic Conductivity of CNTs and Graphene Sheets Caused by a Three-dimensional Strain Field

Ohnishi M., Suzuki K., Miura H., Tohoku University, JP

Since the electronic structure of deformed carbon nanotubes (CNTs) varies widely depending on their chirality and deformation mode, CNTs have the potential to be high-quality strain sensors. The authors revealed the possibility of the high [...]

The Detection Properties of Bulky Wrapped MWCNTs Towards Hazardous Gases

Olszewski A., Lara-Romero J., Cortes P., Youngstown State University, US

Nowadays, chemical sensors are attracting great interest because of their widespread applications in the industrial and environmental fields. Indeed, sensors with high sensitivity and selectivity are required for real-time detection of hazardous gas leaks. In [...]

Effect of Cutting Parameters on The Surface Roughness of MWCNT Reinforced Epoxy Composite Using End-Milling Process

Harii Krishna Rao G., Ansari M.N.M., Universiti Tenaga Nasional, MY

In this paper, the preparation and casting of sample composite, machining parameters and Scanning electron microscopy (SEM) studies on multi-walled carbon nanotubes (MWCNT) reinforced epoxy composites were discussed. Structurally, MWCNTs consist of multiple layers of [...]

Development of materials and printing methods for fabrication of thin-film transistors on flexible substrates

Zhao J.W., Gao Y.L., Gu W.B., Lin J., Chen Z., Cui Z., Suzhou Institute of Nanotech and nano-bionics, Chinese Academy of Sciences, CN

In the present work, we attempted to put together a suite of technologies for printing TFTs on flexible substates. The ink materials we investigated include optimized SCNT inks as printable semiconductors, development of composite ion-gel [...]

A Comparative Analysis of Transistors Based on Dielectrophoresis-Aligned Carbon Nanotubes (CNTs) and Assembled Random-Network CNTs

Juhala J.L., Griffith B.W., Duan Y., Xue W., Washington State University, US

CNTs have gained significant attention due to their potential as an alternative nanomaterial to be utilized in micro/nano-scale electronics. To continuously improve the performance of CNT-based electronic devices, the CNTs and their manipulation methods must [...]

Optimization of Carbon Nanotube Thin-Film Transistor Fabrication

Kayastha V., Lamb J., Brewer Science, Inc, US

Carbon nanotube–based thin-film transistors have recently gained much interest from many researchers and customers for their potential in large-area electronic applications, including flexible electronics. Single-walled carbon nanotubes (SWCNTs) possess the ability to offer a high [...]

Low-Z, Chemically Resistant, Microfabricated Carbon Composite Transmission Electron Microscope Grids

Zufelt K., Vanfleet R., Davis RC., Brigham Young University, US

An issue that often impacts x-ray and electron analysis of transmission electron microscopy (TEM) samples is the presence of high-Z atoms in the sample substrate. In many cases, it is also desirable that the chosen [...]

Metal Induced Intershell Coupling and Conductance Enhancement in Multiwalled Carbon Nanotubes

Kulshrestha N., Misra A., Misra D.S., Bajpai R., Roy S., Misra A., Misra D.S., Indian Institute of Technology - Bombay, IN

Using two different metal (platinum and Tungsten) depositions on the individual multiwalled carbon nanotubes bridging the spacing between two gold electrodes, we segregate the contributions of change in nanotubes inherent properties and contact-improvement in total [...]

CNTFETs fabricated using an Original Dynamic Air-Brush technique for SWCNTs deposition : application to gas sensing

Bondavalli P., Gorintin L., Feugnet G., Thales Research and Technology, FR

This contribution deals with Carbon Nanotubes Field Effect transistors (CNTFETs) based gas sensors fabricated using a completely new dynamic air-brush technique for SWCNTs deposition. More precisely, we have developed a machine which allows us the [...]