Physicists induce superconductivity in non-superconducting materials

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Physicists induce superconductivity in non-superconducting materials

Post by Cr6 on Wed Dec 21, 2016 1:51 am

Physicists induce superconductivity in non-superconducting materials
Novel method also can improve efficiency in known superconducting materials

Date:
   November 1, 2016
Source:
   University of Houston
Summary:
   Researchers have reported a new method for inducing superconductivity in non-superconducting materials, demonstrating a concept proposed decades ago but never proven. The technique can also be used to boost the efficiency of known superconducting materials, suggesting a new way to advance the commercial viability of superconductors.

Researchers at the University of Houston have reported a new method for inducing superconductivity in non-superconducting materials, demonstrating a concept proposed decades ago but never proven.

The technique can also be used to boost the efficiency of known superconducting materials, suggesting a new way to advance the commercial viability of superconductors, said Paul C.W. Chu, chief scientist at the Texas Center for Superconductivity at UH (TcSUH) and corresponding author of a paper describing the work, published Oct. 31 in the Proceedings of the National Academy of Sciences.

...

Superconducting materials conduct electric current without resistance, while traditional transmission materials lose as much as 10 percent of energy between the generating source and the end user. That means superconductors could allow utility companies to provide more electricity without increasing the amount of fuel used to generate electricity.

"One way that has long been proposed to achieve enhanced Tcs (critical temperature, or the temperature at which a material becomes superconducting) is to take advantage of artificially or naturally assembled interfaces," the researchers wrote. "The present work clearly demonstrates that high Tc superconductivity in the well-known non-superconducting compound CaFe2As2 (calcium iron arsenide) can be induced by antiferromagnetic/metallic layer stacking and provides the most direct evidence to date for the interface-enhanced Tc in this compound."

https://www.sciencedaily.com/releases/2016/11/161101075121.htm

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Re: Physicists induce superconductivity in non-superconducting materials

Post by Nevyn on Wed Dec 21, 2016 5:45 pm

This plays right into Miles theory of super-conductors which states that you have to remove/reduce the magnetic component of the molecule to enhance conduction.
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