Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > New Route To Graphene Devices - Nanoelectronics: Procedure draws on industry-compatible methods and materials

Abstract:
A new strategy for fabricating graphene-based transistors—one that relies on materials and methods compatible with those used in the microelectronics industry—has been developed by researchers at IBM (Nature, DOI: 10.1038/nature09979). The work may lead to commercially viable techniques for manufacturing electronic devices that exploit the unique properties of graphene, a layer of carbon one atom thick.

New Route To Graphene Devices - Nanoelectronics: Procedure draws on industry-compatible methods and materials

Washington, DC | Posted on April 12th, 2011

Graphene's outstanding electronic and other properties have sparked a wave of research aimed at making circuit components based on the ultrathin material. The goal is to use graphene to make circuit elements that are smaller and that outperform today's devices.

With that goal in mind, a number of research teams have incorporated graphene electrodes into radio-frequency (RF) transistors, fast-acting signal amplifiers that play a central role in wireless communication systems. But the graphene electrodes in the fastest of those transistors are prepared by a laborious manual procedure.

Graphene can be prepared more efficiently in larger batches via vapor deposition methods. But those procedures generally call for depositing the film on a layer of silicon dioxide, which adversely affects the electronic performance of graphene devices.

To sidestep those limitations, Yanqing Wu, Yu-ming Lin, Phaedon Avouris, and coworkers at IBM's Thomas J. Watson Research Center developed a vapor deposition method in which graphene ends up on diamond-like carbon, a material well-known to the semiconductor industry with desirable electronic properties. Initial tests show that RF transistors made via the new method operate at very high frequencies and work well even at cryogenic temperatures.

"The approach of the IBM team is very interesting because it is compatible with common semiconductor processing," says Frank Schwierz, a device physicist at the Technical University of Ilmenau, in Germany. At this early stage, before the fabrication method has been optimized, Schwierz is cautious about calling the technique a breakthrough. "But it may turn out to be very useful in the future," he says.

####

For more information, please click here

Copyright © American Chemical Society (ACS)

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 Links

Nature, DOI: 10.1038/nature09979

Related News Press

News and information

Tokai University research: Nanomaterial wrap for improved tissue imaging August 21st, 2017

Silk could improve sensitivity, flexibility of wearable body sensors August 20th, 2017

The power of perovskite: OIST researchers improve perovskite-based technology in the entire energy cycle, from solar cells harnessing power to LED diodes to light the screens of future electronic devices and other lighting applications August 18th, 2017

Gold nanostars and immunotherapy vaccinate mice against cancer: New treatment cures, vaccinates mouse in small proof-of-concept study August 18th, 2017

Candy cane supercapacitor could enable fast charging of mobile phones August 17th, 2017

Graphene/ Graphite

Researchers printed graphene-like materials with inkjet August 17th, 2017

From hot to cold: How to move objects at the nanoscale: Moving a single gold nanocluster on a graphene membrane, thanks to a thermal gradient applied to the borders: a new study sheds light on the physical mechanisms driving this phenomenon August 10th, 2017

Controlled manipulation: Scientists at FAU are investigating the properties of hybrid systems consisting of carbon nanostructures and a dye August 8th, 2017

Chip Technology

Silk could improve sensitivity, flexibility of wearable body sensors August 20th, 2017

Freeze-dried foam soaks up carbon dioxide: Rice University scientists lead effort to make novel 3-D material August 16th, 2017

Two Scientists Receive Grants to Develop New Materials: Chad Mirkin and Monica Olvera de la Cruz recognized by Sherman Fairchild Foundation August 16th, 2017

Surprise discovery in the search for energy efficient information storage August 10th, 2017

Nanoelectronics

GLOBALFOUNDRIES Demonstrates 2.5D High-Bandwidth Memory Solution for Data Center, Networking, and Cloud Applications: Solution leverages 2.5D packaging with low-latency, high-bandwidth memory PHY built on FX-14™ ASIC design system August 9th, 2017

GLOBALFOUNDRIES, Silicon Mobility Deliver the Industry’s First Automotive FPCU to Boost Performance for Hybrid and Electric Vehicles: Silicon Mobility and GF’s 55nm LPx -enabled platform, with SST’s highly-reliable SuperFlash® memory technology, boosts automotive performance, ene August 3rd, 2017

Scientists discover new magnet with nearly massless charge carriers July 29th, 2017

Atomic discovery opens door to greener, faster, smaller electronic circuitry: Scientists find way to correct communication pathways in silicon chips, making them perfect July 27th, 2017

Announcements

Tokai University research: Nanomaterial wrap for improved tissue imaging August 21st, 2017

Silk could improve sensitivity, flexibility of wearable body sensors August 20th, 2017

The power of perovskite: OIST researchers improve perovskite-based technology in the entire energy cycle, from solar cells harnessing power to LED diodes to light the screens of future electronic devices and other lighting applications August 18th, 2017

Gold nanostars and immunotherapy vaccinate mice against cancer: New treatment cures, vaccinates mouse in small proof-of-concept study August 18th, 2017

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