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Experimental demonstration of superconducting critical temperature increase in electromagnetic metamaterials.


ABSTRACT: A recent proposal that the metamaterial approach to dielectric response engineering may increase the critical temperature of a composite superconductor-dielectric metamaterial has been tested in experiments with compressed mixtures of tin and barium titanate nanoparticles of varying composition. An increase of the critical temperature of the order of ΔT ~ 0.15 K compared to bulk tin has been observed for 40% volume fraction of barium titanate nanoparticles. Similar results were also obtained with compressed mixtures of tin and strontium titanate nanoparticles.

SUBMITTER: Smolyaninova VN 

PROVIDER: S-EPMC4255178 | biostudies-other | 2014

REPOSITORIES: biostudies-other

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