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Graphene's 'quantum leap' takes electronics a step closer
Date:7/24/2011

Writing in the journal Nature Physics, the academics, who discovered the world's thinnest material at The University of Manchester in 2004, have revealed more about its electronic properties.

Research institutes and universities around the world are already looking at ways to build devices such as touch-screens, ultrafast transistors and photodetectors.

Now the research from the creators of the material promises to accelerate that research, and potentially open up countless more electronic opportunities.

The researchers, from the universities of Manchester, Madrid and Moscow, have studied in detail the effect of interactions between electrons on the electronic properties of graphene.

They use extremely high-quality graphene devices which are prepared by suspending sheets of graphene in a vacuum.

This way most of the unwanted scattering mechanisms for electrons in graphene could be eliminated, thus enhancing the effect of electron-on-electron interaction.

This is the first effect of its kind where the interactions between electrons in graphene could be clearly seen.

The reason for such unique electronic properties is that electrons in this material are very different from those in any other metals. They mimic massless relativistic particles such as photons.

Due to such properties graphene is sometimes called 'CERN on a desk' referencing the Large Hadron Collider in Switzerland. This is just one of the reasons why the electronic properties are particularly exciting and often bring surprises.

Professor Geim and Professor Novoselov's pioneering work won them the Nobel Prize for Physics in 2010 for "groundbreaking experiments regarding the two-dimensional material graphene".

The pair, who have worked together for more than a decade since Professor Novoselov was Professor Geim's PHD student, used to devote every Friday evening to 'out of the box' experiments not directly linke
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Contact: Daniel Cochlin
daniel.cochlin@manchester.ac.uk
0044-161-275-8387
University of Manchester
Source:Eurekalert

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