نتایج جستجو برای: semiconductor nanowire field effect transistor

تعداد نتایج: 2389964  

In this paper size effects, growth orientation and also doping by Ammonia molecule (NH3) on the carbon nanowire properties with saturated diamond structure by (DNw:H) have been investigated. This study was carried out using DFT theory and Kohn-Sham equation by self-consistent field (SCF) that performed by local density approximation (LDA). The nanowires morphology is cylindrical with [111] grow...

In this paper size effects, growth orientation and also doping by Ammonia molecule (NH3) on the carbon nanowire properties with saturated diamond structure by (DNw:H) have been investigated. This study was carried out using DFT theory and Kohn-Sham equation by self-consistent field (SCF) that performed by local density approximation (LDA). The nanowires morphology is cylindrical with [111] grow...

Journal: :Nanoscale 2014
Ngoc Huynh Van Jae-Hyun Lee Jung Inn Sohn Seung Nam Cha Dongmok Whang Jong Min Kim Dae Joon Kang

We successfully fabricated nanowire-based complementary metal-oxide semiconductor (NWCMOS) inverter devices by utilizing n- and p-type Si nanowire field-effect-transistors (NWFETs) via a low-temperature fabrication processing technique. We demonstrate that NWCMOS inverter devices can be operated at less than 1 V, a significantly lower voltage than that of typical thin-film based complementary m...

2010
K. Blekker B. Münstermann

Introduction The low-band-gap, high mobility InAs semiconductor is well suited for nanowire devices. So far, fascinating DC characteristics of InAs nanowire field-effect transistors (NW-FETs) [1],[2] have been shown, whereas the high speed potential is not yet demonstrated. The major challenges towards a reliable RF characterization of single nanowire transistors, regardless of the material sys...

Journal: :ACS nano 2011
Tero S Kulmala Alan Colli Andrea Fasoli Antonio Lombardo Samiul Haque Andrea C Ferrari

The integration of multiple functionalities into individual nanoelectronic components is increasingly explored as a means to step up computational power, or for advanced signal processing. Here, we report the fabrication of a coupled nanowire transistor, a device where two superimposed high-performance nanowire field-effect transistors capable of mutual interaction form a thyristor-like circuit...

2009
Zi-Jiong Li Zhen Qin Li-Ying Zhang Ya-Fei Zhang

SnO2 nanowire arrays were synthesized by fast heating a mixture of SnO2 and the carbon nanotubes waste soot by high-frequency induction heating. The resultant SnO2 nanowires possess diameters from 50 to 100 nm and lengths up to tens of mircrometers. The field-effect transistors based on single SnO2 nanowire exhibit that as-synthesized nanowires have better transistor performance in terms of tra...

2003
Jaeyoung Kang

In this paper, we will discuss the modeling and simulation result of GaN MESFET device with our conventional computer added device simulator MEDICI. We will find out material parameter of GaN so that the device characteristics of simulation fit to experimentally built-on device characteristics. Then we will vary some important device parameters such as gate length, channel doping rate, and acti...

2004
Yu Huang Xiangfeng Duan Charles M. Lieber

Nanoscale light-emitting diodes (nanoLEDs) with colors spanning from the ultraviolet to near-infrared region of the electromagnetic spectrum were prepared using a solution-based approach in which emissive electron-doped semiconductor nanowires were assembled with nonemissive hole-doped silicon nanowires in a crossed nanowire architecture. Singleand multicolor nanoLED devices and arrays were mad...

Journal: :Nanoscale 2012
Zhen Li Ai Jun Du Qiao Sun Muhsen Aljada Zhong Hua Zhu Gao Qing Max Lu

Field-effect transistors (FETs) fabricated from undoped and Co(2+)-doped CdSe colloidal nanowires show typical n-channel transistor behaviour with gate effect. Exposed to microscope light, a 10 times current enhancement is observed in the doped nanowire-based devices due to the significant modification of the electronic structure of CdSe nanowires induced by Co(2+)-doping, which is revealed by ...

2004
R. A. Beckman E. Johnston-Halperin N. A. Melosh J. R. Heath

The recent development of the superlattice nanowire pattern transfer technique allows for the fabrication of arrays of nanowires at a diameter, pitch, aspect ratio, and regularity beyond competing approaches. Here, we report the fabrication of conducting Si nanowire arrays with wire widths and pitches of 10–20 and 40–50 nm, respectively, and resistivity values comparable to the bulk through the...

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