High temperature superconducting josephson junctin, superconducting electronic device provided with the former and method of manufacturing high temperature superconducting josephson junction
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United States of America Patent
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Feb 14, 2006
Grant Date -
Apr 22, 2004
app pub date -
Aug 16, 2002
filing date -
Aug 22, 2001
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Abstract
A Josephson junction having a barrier layer sandwiched by two superconductors wherein the superconductors include one or more elements selected from the group of Y, La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb and Lu, one or more elements selected from the group of Ba, Sr and Ca, and Cu and oxygen, wherein the two superconductors each include at least five elements with compositions different from each other, or the barrier layer (5) includes one or more elements selected from the group of La, Nd, Sm and Eu, and one or more elements selected from the group of Y, Gd, Dy, Ho, Er, Tm, Yb and Lu.
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