IBM's graphene-based circuitry could boost wireless communications

IBM researchers have created a graphene-based circuit that they say performs 10,000 times better than existing options; It was reliable enough that they used it to send and receive a text message. The graphene-based receiver was built onto a chip with an area of 0.6 square millimeters. This invention can be used in wireless communications. If they work properly, graphene-based chips could allow mobile devices such as smart phones, tablets or wearable electronics to transmit much faster data loads to each other and to their surroundings.

"This is the first time that someone has shown graphene devices and circuits to perform modern wireless communication functions comparable to silicon technology" said Supratik Guha, director of physical sciences at IBM Research.

"One can envision that high-performance graphene radio-frequency circuits will be directly built on top of high- density silicon CMOS logic circuits to form an extremely low-cost, ultra-compact communication system," wrote researchers Shu-Jen Han, Alberto Valdes Garcia, Satoshi Oida, Keith A. Jenkins, and Wilfried Haensch.

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