Navigation Links
Imaging tool may aid nanoelectronics by screening tiny tubes
Date:11/16/2010

WEST LAFAYETTE, Ind. - Researchers have demonstrated a new imaging tool for rapidly screening structures called single-wall carbon nanotubes, possibly hastening their use in creating a new class of computers and electronics that are faster and consume less power than today's.

The semiconducting nanostructures might be used to revolutionize electronics by replacing conventional silicon components and circuits. However, one obstacle in their application is that metallic versions form unavoidably during the manufacturing process, contaminating the semiconducting nanotubes.

Now researchers have discovered that an advanced imaging technology could solve this problem, said Ji-Xin Cheng, an associate professor of biomedical engineering and chemistry at Purdue University.

"The imaging system uses a pulsing laser to deposit energy into the nanotubes, pumping the nanotubes from a ground state to an excited state," he said. "Then, another laser called a probe senses the excited nanotubes and reveals the contrast between metallic and semiconductor tubes."

The technique, called transient absorption, measures the "metallicity" of the tubes. The detection method might be combined with another laser to zap the unwanted metallic nanotubes as they roll off of the manufacturing line, leaving only the semiconducting tubes.

Findings are detailed in a research paper appearing online this week in the journal Physical Review Letters.

Single-wall nanotubes are formed by rolling up a one-atom-thick layer of graphite called graphene, which could eventually rival silicon as a basis for computer chips. Researchers in Cheng's group, working with nanomaterials for biomedical studies, were puzzled when they noticed the metallic nanoparticles and semiconducting nanowires transmitted and absorbed light differently after being exposed to the pulsing laser.

Then researcher Chen Yang, a Purdue assistant professor of physical
'/>"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. ICON Medical Imaging Launches New Service to Boost Reliability of Cardiology Studies
2. VisEn Announces Commercial Launch of IntegriSenseTM Fluorescence Molecular Imaging Agent
3. LI-COR August 27th On-Line Webinar Introduces New Approach to Small Animal In Vivo Imaging
4. Caliper Launches Small Animal Molecular Imaging System Enabling Real-Time Video Observation
5. Small Animal Imaging Market: Biospace Lab Wins Frost & Sullivan Accolade for Its Successful Product Line Strategy
6. Imaging Diagnostic Systems Receives its First Order for its CT Laser Mammography System for Israel
7. Ziehm Imaging Extends its Training Offer
8. Imaging Diagnostic Systems Sells Its CT Laser Mammography System to Budapest, Hungary
9. Case Western Reserve University researcher improves LCDs with 3-D nanoimaging process
10. LI-COR Biosciences and Euthanex Corporation Provide Anesthesia System for Small Animal Imaging
11. Diagnostic Imaging - Enters Purchase Agreement to Acquire Teleradiology Company
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Imaging tool may aid nanoelectronics by screening tiny tubes
(Date:12/17/2014)... 17, 2014 Based on the ... surgical imaging market is dominated by four major ... imaging market. These players include GE Healthcare (U.K.), ... (Germany). , Full Report Copy at ... Healthcare can be attributed to its strong product ...
(Date:12/17/2014)... 17, 2014 Ipsen Biopharmaceuticals, Inc., ... ADR: IPSEY), today announced that Somatuline® ... Somatuline®) was approved by the U.S. Food and ... neuroendocrine tumors (GEP-NETs) in adult patients with unresectable, ... disease to improve progression-free survival (PFS). , “The ...
(Date:12/17/2014)... (PRWEB) December 17, 2014 Xeno ... Excellence following its most recent COLA inspection. Xeno ... COLA, a national healthcare accreditation organization. Accreditation is ... of quality in day-to-day operations, demonstrate continued accuracy ... a rigorous on-site laboratory survey. , ...
(Date:12/17/2014)... 2014  Vermillion, Inc. (NASDAQ: VRML ), ... announced the next step in its expanded strategy to ... with the naming of current Chief Operating Officer, ... while current Chairman of the Board and CEO ... These changes are effective January 1, 2015. ...
Breaking Biology Technology:Global Refurbished Surgical Imaging Market by Product & Application is Estimated to Reach $1.25 Billion by 2019 - New Research Report by MarketsandMarkets 2Global Refurbished Surgical Imaging Market by Product & Application is Estimated to Reach $1.25 Billion by 2019 - New Research Report by MarketsandMarkets 3Global Refurbished Surgical Imaging Market by Product & Application is Estimated to Reach $1.25 Billion by 2019 - New Research Report by MarketsandMarkets 4Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 2Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 3Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 4Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 5Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 6Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 7Ipsen Announces the FDA Approval of Somatuline® Depot® (lanreotide) Injection for the Treatment of Gastroenteropancreatic Neuroendocrine Tumors 8Xeno Diagnostics Receives 3rd Award for Laboratory Excellence 2Vermillion Names Valerie Palmieri CEO; James LaFrance to continue as Chairman of Board 2Vermillion Names Valerie Palmieri CEO; James LaFrance to continue as Chairman of Board 3Vermillion Names Valerie Palmieri CEO; James LaFrance to continue as Chairman of Board 4
... Today the National Collegiate Inventors and Innovators Alliance ... recognizing undergraduate excellence in biomedical innovation. BMEStart stands ... because of its focus on younger inventors who ... development. , The BMEStart competition welcomes submissions ...
... NEW YORK, Oct. 7 /PRNewswire-FirstCall/ - Healthnostics, Inc. ... company, announced today details regarding the social networking ... Using the Facebook(C) model that gives individuals greater ... an interactive layer that allows users to comment ...
... ... the NRA, Mike Fuljenz, President of Universal Coin & Bullion is equipping children ... Eagle GunSafe® Program. In an effort to equip law enforcement officers, teachers ... is teaming up to translate, duplicate and distribute Eddie Eagle training DVDs in ...
Cached Biology Technology:NCIIA Announces New Undergraduate Competition 2Healthnostics' Medbioworld.com Portal Web Site to Include Social Networking Features 2Mike Fuljenz and Universal Coin & Bullion Sponsors the NRA Eddie Eagle GunSafe Program 2
(Date:11/21/2014)... , Nov. 20, 2014 Strict laws ... efficiency are piloting the North American and European automotive ... accidents growing, gesture recognition systems that are intuitive and ... mark in the industry. New analysis ... Gesture Recognition Market in Europe ...
(Date:11/18/2014)... Md. , Nov. 17, 2014 The Parenteral ... and U.S. regulatory agencies will speak and at least seven ... Metrics Conference at the Omni Shoreham Hotel in ... pleased once again to have significant support from the regulatory ... Europe in our effort to help ...
(Date:11/10/2014)... U.S. store shelves in early 2010, and people have ... packets can be tossed into a washing machine without ... The convenience, though, has come with risks for young ... Children,s Hospital found that from 2012 through 2013, U.S. ... than 6 years of age swallowing, inhaling, or otherwise ...
Breaking Biology News(10 mins):Gesture Recognition Intensifies with the Rise of In-car Smartphone Integration, Says Frost & Sullivan 2Gesture Recognition Intensifies with the Rise of In-car Smartphone Integration, Says Frost & Sullivan 3Gesture Recognition Intensifies with the Rise of In-car Smartphone Integration, Says Frost & Sullivan 4FDA's Janet Woodcock, EMA's Emer Cooke Headline PDA Quality Metrics Conference 2Study finds laundry detergent pods, serious poisoning risk for children 2
... group of researchers has identified 11 new genes ... pathways involved in Alzheimer,s disease. The highly collaborative ... volunteersthe largest genetic analysis yet conducted in Alzheimer,s ... late-onset Alzheimer,s disease, the most common form of ...
... neural cell types are essential for studies of ... Neural Cells: A Laboratory Manual provides step-by-step protocols ... and culturing them under conditions that closely resemble ... how to dissect the brain, spinal cord, and ...
... for the penetrating icy blue glare of car headlights and could ... are at the heart of diodes. Not the kind you might ... as indium gallium nitride or InGaN. This alloy forms the light ... of laser diodes (LDs) in the blue-UV range. Research ...
Cached Biology News:NIH-supported study identifies 11 new Alzheimer's disease risk genes 2NIH-supported study identifies 11 new Alzheimer's disease risk genes 3ASU, Georgia Tech create breakthrough for solar cell efficiency 2