Scientists have discovered superconductivity in graphene Bashny.Net

From the discovery of graphene in 2004, scientists assumed the presence of this material hidden abilities to superconductivity. Still, however, to reset its electric resistance was only legira or combine it with material, carrying on its own graphene superconductivity.

In the new work, submitted in Nature Communications, physicists from Cambridge found the key to activating the potential of superconducting graphene. To do this, they combined it with the oxide of praseodymium cerium copper (PCCO).

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The PCCO material belongs to the large class of kopatych superconductors with well-studied electronic properties. Using the technique of scanning tunneling microscopy, the researchers were able to distinguish superconductivity in PCCO of superconductivity in graphene.

"In other words, we saw in graphene, a completely different type of superconductivity than the PCCO — said Dr. Jason Robinson (Jason Robinson). — This is really important because we now know that superconductivity is not transferred from the outside, and PCCO only serves to release the intrinsic superconductivity of graphene".

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These experiments, according to Robinson, will lead to the emergence and use of new types of superconducting devices for fundamental and applied research. Graphene may be the basis for analogues of transistors in superconducting circuits, and its ability to communicate with various chemical molecules opens up new prospects for molecular electronics devices with enhanced functionality.published  

 

Source: ecotechnology