comment on this article

Graphene can superconduct, says research team

Image: Pietro Zuco

Researchers at Cambridge University say they have found a way for graphene to act as a superconductor. Until now, superconductivity in graphene has only been achieved by either doping it with, or placing it on, a superconducting material, which can compromise some of its other properties.

The study is also said to suggest that graphene could be used to make a transistor-like device in a superconducting circuit and that its superconductivity could be incorporated into molecular electronics. “In principle, given the variety of chemical molecules that can bind to graphene’s surface, this research could result in the development of molecular electronics devices with novel functionalities based on superconducting graphene,” said Dr Angelo Di Bernardo.

The researchers managed to get graphene to superconduct in its own right by coupling it with praseodymium cerium copper oxide (PCCO).

“It has been postulated that, under the right conditions, graphene should undergo a superconducting transition, but can’t,” said Dr Jason Robinson. “The idea of this experiment was to find out if we coupled graphene to a superconductor, could we switch that intrinsic superconductivity on? The question then becomes how do you know that the superconductivity you are seeing is coming from within the graphene itself, and not the underlying superconductor?”

The team says it remains unclear what type of superconductivity has been activated, but thinks the results indicate that it is the ‘p-wave’ form – something academics have been to verify for more than 20 years.

Graham Pitcher

Comment on this article

This material is protected by MA Business copyright See Terms and Conditions. One-off usage is permitted but bulk copying is not. For multiple copies contact the sales team.

What you think about this article:

Add your comments


Your comments/feedback may be edited prior to publishing. Not all entries will be published.
Please view our Terms and Conditions before leaving a comment.

Related Articles

Power systems design

EPC has launched the GaN Power Bench, a suite of design tools to help engineers ...

Chilling effects

Earlier this year, Innovate UK decided to award a grant to a consortium of ...

NI Trend Watch 2014

This report from National Instruments summarises the latest trends in the ...

Capactive sensing

This whitepaper looks at a number of capacitive sensing applications to ...

Spurring on the IoT

A team of Stanford engineers has built a radio the size of an ant – a device so ...

Digital consciousness

​Would you consider uploading your brain to the cloud if it meant you could ...