| 摘要 |
There is provided a superconducting device including a substrate, a first superconductor layer supported by the substrate and containing Ln, AE, M and O, and a second superconductor layer containing a material represented by a formula of (Yb1-yLn'y)AE'2M'3Oz, the first and second superconductor layers forming a junction, and atomic planes each including M and O in the first superconductor layer and atomic planes each including M' and O in the second superconductor layer being discontinuous to each other in a position of the junction, wherein each of Ln and Ln' represents at least one metal of Y and lanthanoids, each of AE and AE' represents at least one of alkaline earth metals, each of M and M' represents a metal which contains 80 atomic % or more of Cu, y represents a value between 0 and 0.9, and z represents a value between 6.0 and 8.0.
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