Nanotechnology Now







Heifer International

Wikipedia Affiliate Button


DHgate

Home > Press > Junctionless transistor outperforms nanowire MOSFET

Schematic representation of the cylindrical wrap-around gate nanowire
Schematic representation of the cylindrical wrap-around gate nanowire

Abstract:
The nanowire pinch-off field effect transistor (FET) or junctionless transistor is a uniformly doped nanowire without junctions with a wrap-around gate. The idea and basic working principle of the nanowire pinch-off transistor were developed in imec and already reported in 2007 and 2008. Recent modeling results obtained in imec for a GaAs and Si nanowire indicate that the nanowire pinch-off FET can outperform the nanowire MOSFET. These results combined with scalability and ease of processing make the junctionless transistor a true competitor for the nanowire MOSFET.

Junctionless transistor outperforms nanowire MOSFET

The Netherlands | Posted on April 21st, 2010

Several years ago, imec theoreticians developed the concept of the pinch-off nanowire FET. Originally, the idea was to avoid surface interactions such as surface roughness scattering or high-k surface phonon scattering wich degrade the charge carrier mobility, by moving the charge carriers away from the interface between the substrate and the insulator. The solution to this problem was to consider a nanowire where source, drain and channel are uniformly doped. For a n-type nanowire pinch-off FET, the charge carriers responsible for the current are delivered by the ionized donors. As the gate voltage is increased, the channel of the wire is depleted and, eventually, pinch-off will occur.

More detailed results about the idea and basic working principle of the nanowire pinch-off FET as proposed by imec can be found in:
[1] Sorée, B.; Magnus, W.; Pourtois, G. Analytical and self-consistent quantum mechanical model for a JFET nanowire. In: IWCE12. 2007. (8-10 October 2007; Amherst, NJ, USA.)
[2] Sorée, B.; Magnus, W.; Pourtois, G. Analytical and self-consistent quantum mechanical model for a surrounding gate MOS nanowire operated in JFET mode. JCEL. Vol. 7: (3) 380-383; 2008.

####

About imec
Imec is Europe’s largest independent research center in nanoelectronics and nano-technology. Its staff of more than 1,750 people includes over 550 industrial residents and guest researchers. Imec’s research is applied in better healthcare, smart electronics, sustainable energy, and safer transport.

For more information, please click here

Copyright © imec

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

Get ready for NanoDays! March 5th, 2015

American Chemical Society Presidential Symposia: nanoscience, international chemistry March 5th, 2015

CiQUS researchers obtain high-quality perovskites over large areas by a chemical method March 4th, 2015

Arrowhead to Present at 2015 Barclays Global Healthcare Conference March 4th, 2015

Chip Technology

Experiment and theory unite at last in debate over microbial nanowires: New model and experiments settle debate over metallic-like conductivity of microbial nanowires in bacterium March 4th, 2015

Magnetic vortices in nanodisks reveal information: Researchers from Dresden and Jülich use microwaves to read out information from smallest storage devices March 4th, 2015

Cambrios and Heraeus Jointly Create New, High-Conductivity Transparent Conductors: Two Companies' Combined Products Dramatically Extend Flexible Substrate Capabilities for Next-Generation Mass-Market Technology Products March 3rd, 2015

The taming of magnetic vortices: Unified theory for skyrmion-materials March 3rd, 2015

Nanoelectronics

New nanowire structure absorbs light efficiently: Dual-type nanowire arrays can be used in applications such as LEDs and solar cells February 25th, 2015

Ultra-thin nanowires can trap electron 'twisters' that disrupt superconductors February 24th, 2015

Improved fire detection with new ultra-sensitive, ultraviolet light sensor February 17th, 2015

Nanotechnology facility planned in Lund, Sweden: A production facility for start-ups in the field of nanotechnology may be built in the Science Village in Lund, a world-class research and innovation village that is also home to ESS, the European Spallation Source February 15th, 2015

Announcements

Get ready for NanoDays! March 5th, 2015

American Chemical Society Presidential Symposia: nanoscience, international chemistry March 5th, 2015

CiQUS researchers obtain high-quality perovskites over large areas by a chemical method March 4th, 2015

Arrowhead to Present at 2015 Barclays Global Healthcare Conference March 4th, 2015

NanoNews-Digest
The latest news from around the world, FREE




  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoTech-Transfer
University Technology Transfer & Patents
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More










ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project







© Copyright 1999-2015 7th Wave, Inc. All Rights Reserved PRIVACY POLICY :: CONTACT US :: STATS :: SITE MAP :: ADVERTISE