In situ pulsed laser deposition of superconducting Ba1-xK xBiO3 thin films

B. M. Moon; C. E. Platt; R. A. Schweinfurth; D. J. Van Harlingen

doi:10.1063/1.106184

In situ pulsed laser deposition of superconducting Ba_1-xK _xBiO₃ thin films

B. M. Moon, C. E. Platt, R. A. Schweinfurth, D. J. Van Harlingen

Physics

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Abstract

We have grown superconducting thin films of Ba_1-xK _xBiO₃ by in situ pulsed laser deposition from a stoichiometric (x=0.4) target. The best films exhibit an onset transition temperature of 28 K and have zero resistance as high as 26 K. Films are single phase and highly oriented in the (100) or (110) direction on MgO, SrTiO ₃, LaAlO₃, and Al₂O₃ substrates. We have observed high-quality normal-insulator-superconductor and superconductor-insulator-superconductor quasiparticle tunneling characteristics with the films.

Original language	English (US)
Pages (from-to)	1905-1907
Number of pages	3
Journal	Applied Physics Letters
Volume	59
Issue number	15
DOIs	https://doi.org/10.1063/1.106184
State	Published - 1991

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "In situ pulsed laser deposition of superconducting Ba1-xK xBiO3 thin films",

abstract = "We have grown superconducting thin films of Ba1-xK xBiO3 by in situ pulsed laser deposition from a stoichiometric (x=0.4) target. The best films exhibit an onset transition temperature of 28 K and have zero resistance as high as 26 K. Films are single phase and highly oriented in the (100) or (110) direction on MgO, SrTiO 3, LaAlO3, and Al2O3 substrates. We have observed high-quality normal-insulator-superconductor and superconductor-insulator-superconductor quasiparticle tunneling characteristics with the films.",

author = "Moon, {B. M.} and Platt, {C. E.} and Schweinfurth, {R. A.} and {Van Harlingen}, {D. J.}",

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AB - We have grown superconducting thin films of Ba1-xK xBiO3 by in situ pulsed laser deposition from a stoichiometric (x=0.4) target. The best films exhibit an onset transition temperature of 28 K and have zero resistance as high as 26 K. Films are single phase and highly oriented in the (100) or (110) direction on MgO, SrTiO 3, LaAlO3, and Al2O3 substrates. We have observed high-quality normal-insulator-superconductor and superconductor-insulator-superconductor quasiparticle tunneling characteristics with the films.

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