Superconducting regular current interval voltage step element and superconducting device
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Jul 6, 1998
filing date -
Jul 7, 1997
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Expired
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Abstract
An oxide superconducting element is formed on a substrate 10 by a layered structure 30 formed of oxide superconducting thin-film and a non-superconducting thin-film layers. The element is a superconducting regular current interval voltage step element. The current-voltage characteristic curve in a magnetic field has a voltage step being generated at regular bias current intervals. The layered structure 30 is formed by depositing alternately M'Ba.sub.2 Cu.sub.3 O.sub.7 (M' is one or a combination of more than two elements of Nd, Sm and Eu) and M'Ba.sub.2 Cu.sub.3 O.sub.7 thin-films (M' is either Pr or Sc, or a combination of the two elements).
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