Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Materials Research Advances Reliability Of Faster Smart Sensors

20.04.2010
In military and security situations, a split second can make the difference between life and death, so North Carolina State University’s development of new “smart sensors” that allow for faster response times from military applications is important. Equally important is new research from NC State that will help ensure those sensors will operate under extreme conditions – like those faced in Afghanistan or elsewhere.

“We’ve taken a sensor material called vanadium oxide and integrated it with a silicon chip,” says Dr. Jay Narayan, the John C. Fan Distinguished Chair Professor of Materials Science and Engineering at NC State and co-author of the research. “Normally sensors are hardwired to a computer. But now the sensor is part of the computer chip itself. The advantage is that now you have a smart sensor that can sense, manipulate and respond to information.”

For example, such smart sensors allow for the development of infrared sensors that can respond more quickly in military or security applications.

The creation of these smart sensors is possible due to Narayan’s discovery of “domain matching epitaxy.” This model allows the creation of single, defect-free crystal layers of different materials – which amplify the transmission of electronic signals between those materials.

New findings presented by a team of NC State researchers (published in Applied Physics Letters and Journal of Applied Physics) now describe how vanadium oxide sensors work in conjunction with the silicon chips to which they are attached. Understanding how these sensors function gives researchers the ability to improve the reliability of these smart sensors, and account for variable conditions the sensors may be exposed to, such as various temperatures and pressures a sensor may face in Afghanistan or Iraq.

The research, which was funded by the National Science Foundation, was co-authored by Narayan, Dr. Roger Narayan, a professor of biomedical engineering at NC State, and NC State Ph.D. students Tsung Han Yang, Ravi Aggarwal, A. Gupta, and H. Zhou. The research was presented April 7 at the 2011 Materials Research Society Spring Meeting in San Francisco. The paper, titled “Mechanism of Semiconductor Metal Transition of Vanadium Oxide Thin Films,” won the First Prize in the MRS Symposium N: Functional Oxide Nanostructures and Heterostructures.

NC State’s Department of Materials Science and Engineering is part of the university’s College of Engineering. The Department of Biomedical Engineering is a joint department under both NC State’s College of Engineering and the University of North Carolina at Chapel Hill.

Matt Shipman | EurekAlert!
Further information:
http://www.ncsu.edu

More articles from Materials Sciences:

nachricht New design improves performance of flexible wearable electronics
23.06.2017 | North Carolina State University

nachricht Plant inspiration could lead to flexible electronics
22.06.2017 | American Chemical Society

All articles from Materials Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Can we see monkeys from space? Emerging technologies to map biodiversity

An international team of scientists has proposed a new multi-disciplinary approach in which an array of new technologies will allow us to map biodiversity and the risks that wildlife is facing at the scale of whole landscapes. The findings are published in Nature Ecology and Evolution. This international research is led by the Kunming Institute of Zoology from China, University of East Anglia, University of Leicester and the Leibniz Institute for Zoo and Wildlife Research.

Using a combination of satellite and ground data, the team proposes that it is now possible to map biodiversity with an accuracy that has not been previously...

Im Focus: Climate satellite: Tracking methane with robust laser technology

Heatwaves in the Arctic, longer periods of vegetation in Europe, severe floods in West Africa – starting in 2021, scientists want to explore the emissions of the greenhouse gas methane with the German-French satellite MERLIN. This is made possible by a new robust laser system of the Fraunhofer Institute for Laser Technology ILT in Aachen, which achieves unprecedented measurement accuracy.

Methane is primarily the result of the decomposition of organic matter. The gas has a 25 times greater warming potential than carbon dioxide, but is not as...

Im Focus: How protons move through a fuel cell

Hydrogen is regarded as the energy source of the future: It is produced with solar power and can be used to generate heat and electricity in fuel cells. Empa researchers have now succeeded in decoding the movement of hydrogen ions in crystals – a key step towards more efficient energy conversion in the hydrogen industry of tomorrow.

As charge carriers, electrons and ions play the leading role in electrochemical energy storage devices and converters such as batteries and fuel cells. Proton...

Im Focus: A unique data centre for cosmological simulations

Scientists from the Excellence Cluster Universe at the Ludwig-Maximilians-Universität Munich have establised "Cosmowebportal", a unique data centre for cosmological simulations located at the Leibniz Supercomputing Centre (LRZ) of the Bavarian Academy of Sciences. The complete results of a series of large hydrodynamical cosmological simulations are available, with data volumes typically exceeding several hundred terabytes. Scientists worldwide can interactively explore these complex simulations via a web interface and directly access the results.

With current telescopes, scientists can observe our Universe’s galaxies and galaxy clusters and their distribution along an invisible cosmic web. From the...

Im Focus: Scientists develop molecular thermometer for contactless measurement using infrared light

Temperature measurements possible even on the smallest scale / Molecular ruby for use in material sciences, biology, and medicine

Chemists at Johannes Gutenberg University Mainz (JGU) in cooperation with researchers of the German Federal Institute for Materials Research and Testing (BAM)...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Plants are networkers

19.06.2017 | Event News

Digital Survival Training for Executives

13.06.2017 | Event News

Global Learning Council Summit 2017

13.06.2017 | Event News

 
Latest News

Quantum thermometer or optical refrigerator?

23.06.2017 | Physics and Astronomy

A 100-year-old physics problem has been solved at EPFL

23.06.2017 | Physics and Astronomy

Equipping form with function

23.06.2017 | Information Technology

VideoLinks
B2B-VideoLinks
More VideoLinks >>>