Researchers in Italy and the US have created the first integrated graphene logic gates that work in air and at room temperature. The work represents an important milestone in the development of graphene-based logic, says the team.
The devices are also the first graphene logic gates to operate with matched-voltage input and output digital signals, explains team leader Roman Sordan of the Politecnico di Milano at Como. Such an operation is the main prerequisite for practical use of this type of gate. "Moreover, our gates are integrated on a type of graphene that can easily be grown over large areas, thus paving the way for mass production of such carbon-based electronic devices," he says.
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