Navigation Links
Carbon nanoribbons could make smaller, speedier computer chips
Date:5/28/2008

urrent to either pass through or be blocked, which in turn controls how the devices can be switched on and off, thereby regulating the flow of data.

Researchers predict that silicon chips will reach their maximum shrinking point within the next decade. This has prompted a search for materials to replace silicon as transistors continue to shrink in accordance with Moore's Law, which predicts that the number of transistors on a chip will double every two years. Graphene is one of the materials being considered.

David Goldhaber-Gordon, an assistant professor of physics at Stanford, proposed that graphene could supplement but not replace silicon, helping meet the demand for ever-smaller transistors for faster processing. "People need to realize this is not a promise; this is exploration, and we'll have a high payoff if this is successful," he said.

Dai said graphene could be a useful material for future electronics but does not think it will replace silicon anytime soon. "I would rather say this is motivation at the moment rather than proven fact," he said.

Although researchers, including those in his own group, have shown that carbon nanotubes outperform silicon in speed by a factor of two, the problem is that not all of the tubes, which can have 1-nanometer diameters, are semiconducting, Dai said. "Depending on their structure, some carbon nanotubes are born metallic, and some are born semiconducting," he said. "Metallic nanotubes can never switch off and act like electrical shorts for the device, which is a problem."

On the other hand, Dai's team demonstrated that all of their narrow graphene nanoribbons made from their novel chemical technique are semiconductors. "This is why structure at the atomic scale-in this case, width and edges-matters," he said.


'/>"/>

Contact: Louis Bergeron
louisb3@stanford.edu
650-725-1944
Stanford University
Source:Eurekalert

Page: 1 2

Related biology technology :

1. Awareness of Genzymes Renvela(R) (Sevelamer Carbonate) is High, Although Uptake of this New Phosphate Binding Agent has Been Slower than Nephrologists and Renal Dietitians Initially Expected
2. Breakthrough in nanotechnology by uncovering conductive property of carbon-based molecules
3. Carbon nanotube measurements: latest in NIST how-to series
4. Carbon nanotubes made into conductive, flexible stained glass
5. The future of computing -- carbon nanotubes and superconductors to replace the silicon chip
6. Carbon nanotubes outperform copper nanowires as interconnects
7. Mission critical for carbon management
8. National Association of Emergency Medical Technicians (NAEMT) Supports Prehospital Screening for Carbon Monoxide in the Blood
9. Carbon offset warning from international team of scientists
10. International Association of Fire Fighters (IAFF) Advocates Screening Fire Fighters for Carbon Monoxide Poisoning Using Pulse CO-Oximetry
11. ADM, MGSC and ISGS Announce Carbon Sequestration Project
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/29/2015)... / Japan (Q2 2015: +14% CER / ... on high-single-digit growth in China , as well as solid ... . Europe / Middle East ... sales) showed gains in Germany , Turkey ... +4% CER / 49% of sales) grew 11%, excluding U.S. HPV sales, on ...
(Date:7/29/2015)... ... July 29, 2015 , ... G-CON Manufacturing, Inc., the leading ... 2nd generation cell therapy POD® design. The 2nd generation portfolio not only delivers ... new POD® design. , “G-CON first offered our miniPOD CT product line ...
(Date:7/29/2015)... , July 29, 2015  Therapath Neuropathology ... announces increased partnerships with VA and Military Medical ... Nerve Fiber Density (ENFD) and Sweat Gland Nerve ... fiber neuropathy ( https://therapath.com/skin ). ... Fiber Density (ENFD) on punch skin biopsy is ...
(Date:7/29/2015)... 2015 /PRNewswire/ - RepliCel Life Sciences Inc. (OTCQB: REPCF) ... pleased to announce that the final design specifications ... locked.  Prototypes for industrial and regulatory testing will ... for CE mark clearance to market the injector ... (Photo: http://photos.prnewswire.com/prnh/20150729/248373 )  ...
Breaking Biology Technology:QIAGEN Reports Results for Second Quarter and First Half of 2015 2QIAGEN Reports Results for Second Quarter and First Half of 2015 3QIAGEN Reports Results for Second Quarter and First Half of 2015 4QIAGEN Reports Results for Second Quarter and First Half of 2015 5QIAGEN Reports Results for Second Quarter and First Half of 2015 6QIAGEN Reports Results for Second Quarter and First Half of 2015 7QIAGEN Reports Results for Second Quarter and First Half of 2015 8QIAGEN Reports Results for Second Quarter and First Half of 2015 9QIAGEN Reports Results for Second Quarter and First Half of 2015 10G-CON Manufacturing Launches Their 2nd Generation Cell Therapy Cleanroom POD® 2G-CON Manufacturing Launches Their 2nd Generation Cell Therapy Cleanroom POD® 3Neuropathology services for VA and Military health systems 2RepliCel Life Sciences Unveils Innovative Dermal Injector Prototype 2RepliCel Life Sciences Unveils Innovative Dermal Injector Prototype 3RepliCel Life Sciences Unveils Innovative Dermal Injector Prototype 4RepliCel Life Sciences Unveils Innovative Dermal Injector Prototype 5
... YORK, Nov. 30 The Michael J. Fox Foundation for ... to six research teams working to develop potentially disease-modifying therapies ... Novel Approaches to Drug Discovery for Parkinson,s Disease program, ... ELN ), a neuroscience-based biotechnology company. , The ...
... CHANGCHUN, China and LOS ANGELES, ... Board: CYXN; ,China Yongxin,Pharmaceuticals, or ,the Company,), a leading ... announced it has,completed preparation for distribution of medicines on ... The Chinese government recently formalized the nation,s Essential Drug,List ...
... , BOSTON and COPENHAGEN, Nov. ... today that the Harvard Medical School ICCB-Longwood Screening Facility ... of Excellence. ICCB-L supports investigators at Harvard Medical ... of small molecule and RNAi libraries. , MicroRNAs are ...
Cached Biology Technology:The Michael J. Fox Foundation Announces $1.5 Million in Funding to Advance Development of Drug Targets for Disease-Modifying Parkinson's Disease Treatments 2The Michael J. Fox Foundation Announces $1.5 Million in Funding to Advance Development of Drug Targets for Disease-Modifying Parkinson's Disease Treatments 3China Yongxin Pharmaceuticals Inc. to Distribute Medicines on the Essential Drug List 2China Yongxin Pharmaceuticals Inc. to Distribute Medicines on the Essential Drug List 3Exiqon Recognizes Harvard Medical School Core Facility as MicroRNA Screening Center of Excellence 2Exiqon Recognizes Harvard Medical School Core Facility as MicroRNA Screening Center of Excellence 3
(Date:7/21/2015)... , July 21, 2015 Passwords have ... seen in the recent U.S. Office of Personnel ... to the infosec conundrum, but developers and end-users ... To address this dilemma, Biometrics-as-a-Service provider HYPR Corp. ... Tokenization SDK for third party integration. ...
(Date:7/9/2015)... -- Research and Markets( http://www.researchandmarkets.com/research/98rrmr/biometrics_for ... "Biometrics for Banking; Market & Technology Analysis, Adoption ... offering. The adoption for banking purposes ... the forecast is that by 2020 it will ... in delivering biometric systems to the banking industry. ...
(Date:7/8/2015)... DIEGO , July 8, 2015  Trovagene, ... cell-free molecular diagnostics, today announced the launch of ... the Company,s Precision Cancer Monitoring℠ (PCM) technology for ... receiving one or a combination of the novel ... Opdivo® (nivolumab), a PD-1 inhibitor. The 50-patient study ...
Breaking Biology News(10 mins):HYPR Corp. Launches Industry First Biometric Tokenization Platform 2HYPR Corp. Launches Industry First Biometric Tokenization Platform 3HYPR Corp. Launches Industry First Biometric Tokenization Platform 4Global Banking Biometrics Market 2015-2020 - Market & Technology Analysis, Adoption Strategies and Forecasts 2Global Banking Biometrics Market 2015-2020 - Market & Technology Analysis, Adoption Strategies and Forecasts 3Trovagene Initiates Study to Monitor Response to Immunotherapy in Melanoma Patients Using its Precision Cancer Monitoring Platform 2Trovagene Initiates Study to Monitor Response to Immunotherapy in Melanoma Patients Using its Precision Cancer Monitoring Platform 3Trovagene Initiates Study to Monitor Response to Immunotherapy in Melanoma Patients Using its Precision Cancer Monitoring Platform 4
... Chemists at the University of California, San Diego have ... when attached to the genetic material of the hepatitis C ... chronic infectious disease that affects some 170 million people worldwide ... the Centers for Disease Control and Prevention, hepatitis C now ...
... Food-borne diseases might soon have another warrior to contend ... the University of Illinois. The new antibiotic, an analog of ... be a boon to the dairy industry as a treatment ... milk, a product of bacteria resident in the cow,s udder. ...
... Dame biologist Michael Pfrender and a team of researchers ... the University of Virginia suggests that snakes from different ... resistance to a deadly neurotoxin., The finding, which appeared ... Sciences, greatly increases scientists, understanding of the genetic ...
Cached Biology News:Discovery provides blueprint for new drugs that can inhibit hepatitis C virus 2New antibiotic could make food safer and cows healthier 2New antibiotic could make food safer and cows healthier 3New paper examines poison resistance in snakes around the world 2
Schneider's Drosophila Medium is formulated for the expression of heterologous proteins in Drosophila S2 cells....
IHC Polymer Detection Kit (Rabbit DAB)150 slides...
...
Mus musculus junctophilin 2 (Jph2) Antigen: Recombinant Protein...
Biology Products: