title: 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.
authors.affiliation: Department of Physics Astronomy and Geosciences, Towson University, 8000 York Rd., Towson, MD 21252, USA.
authors.forename: Vera N
authors.initials: VN
authors.lastname: Smolyaninova
authors.affiliation: Department of Physics Astronomy and Geosciences, Towson University, 8000 York Rd., Towson, MD 21252, USA.
authors.forename: Bradley
authors.initials: B
authors.lastname: Yost
authors.affiliation: Department of Physics Astronomy and Geosciences, Towson University, 8000 York Rd., Towson, MD 21252, USA.
authors.forename: Kathryn
authors.initials: K
authors.lastname: Zander
authors.affiliation: Naval Research Laboratory, Washington, DC 20375, USA.
authors.forename: M S
authors.initials: MS
authors.lastname: Osofsky
authors.affiliation: Naval Research Laboratory, Washington, DC 20375, USA.
authors.forename: Heungsoo
authors.initials: H
authors.lastname: Kim
authors.affiliation: Department of Physics, Center for Nanophysics &Advanced Materials, University of Maryland, College Park, MD 20742, USA.
authors.forename: Shanta
authors.initials: S
authors.lastname: Saha
authors.affiliation: Department of Physics, Center for Nanophysics &Advanced Materials, University of Maryland, College Park, MD 20742, USA.
authors.forename: R L
authors.initials: RL
authors.lastname: Greene
authors.affiliation: Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742, USA.
authors.forename: Igor I
authors.initials: II
authors.lastname: Smolyaninov