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Graphene amplifier may tap into the “terahertz gap”

Graphene amplifier may tap into the “terahertz gap”

Researchers from Loughborough University have created a unique graphene-based device which may unlock the elusive terahertz wavelengths and make revolutionary new technologies possible.Light in the THz frequencies hits the ‘sandwich’ and is reflected with...

Transparent graphene photodetectors enable advanced 3D camera

A team of researchers at the University of Michigan, led by Zhaohui Zhong, Jeffrey Fessler and Theodore Norris of the Department of Electrical Engineering and Computer Science, has created a 3D camera made from a stack of transparent graphene photodetectors that can...

Graphene shows excellent resistance to stress tests

Researchers from the University of Toronto have shown that graphene is highly resistant to fatigue and is able to withstand more than a billion cycles of high stress before it breaks.The intrinsic strength of graphene has been measured at more than 100 gigapascals,...

NIST-led team uses graphene to create and image coupled quantum dots

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have used graphene and STM technology to create and image a novel pair of quantum dots — tiny islands of confined electric charge that act like interacting artificial...

German researchers examine how proximity affects the resistance of graphene

A research team from the University of Göttingen, together with the Chemnitz University of Technology and the Physikalisch-Technische Bundesanstalt Braunschweig, has investigated the influence of the crystal on which graphene is grown, on the electrical...

Rice team transforms waste into graphene in a flash

A team of researchers at the Rice University lab of chemist James Tour has designed a ‘Green’ process that produces pristine graphene in bulk using waste food, plastic and other materials. According to the team, this process can help facilitate a reduction...