Superconducting properties of tin-based ENZ and hyperbolic metamaterials

V. N. Smolyaninova; W. Korzi; W. Zimmerman; S. Searfoss; C. Jensen; G. Yong; D. Schaefer; J. C. Prestigiacomo; M. S. Osofsky; H. Kim; Z. Xing; M. M. Qazilbash; I. I. Smolyaninov

doi:10.1016/j.physc.2019.1353511

arXiv · 1904.06182

Superconducting properties of tin-based ENZ and hyperbolic metamaterials

V. N. Smolyaninova·W. Korzi·W. Zimmerman·S. Searfoss·C. Jensen·G. Yong·D. Schaefer·J. C. Prestigiacomo·M. S. Osofsky·H. Kim·Z. Xing·M. M. Qazilbash·I. I. Smolyaninov

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Abstract

Recent experiments have demonstrated that the superconducting critical temperature may be improved in various metamaterial superconductor geometries. Here, we present the results of a study of tin-based metamaterial superconductors in the epsilon-near-zero (ENZ) and hyperbolic metamaterial configurations. It was observed that Tc enhancement is significantly reduced when the metamaterial structural dimensions exceed 240nm, the superconducting coherence length in pure tin.

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V. N. Smolyaninova, W. Korzi, W. Zimmerman, S. Searfoss, C. Jensen, G. Yong, D. Schaefer, J. C. Prestigiacomo, M. S. Osofsky, H. Kim, Z. Xing, M. M. Qazilbash, I. I. Smolyaninov. 2019-04-03. Superconducting properties of tin-based ENZ and hyperbolic metamaterials. https://doi.org/10.1016/j.physc.2019.1353511

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