Oxide superconductor and method for manufacturing the same

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United States of America Patent

PATENT NO 11501899
APP PUB NO 20210233684A1
SERIAL NO

17140013

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Abstract

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An oxide superconductor according to an embodiment includes an oxide superconducting layer includes a single crystal having a continuous perovskite structure containing at least one rare earth element selected from the group consisting of yttrium, lanthanum, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium, barium, and copper, containing praseodymium in a part of the site of the rare earth element in the perovskite structure, and having a molar ratio of praseodymium of 0.00000001 or more and 0.2 or less with respect to the sum of the at least one rare earth element and praseodymium; fluorine in an amount of 2.0×1015 atoms/cc or more and 5.0×1019 atoms/cc or less; and carbon in an amount of 1.0×1017 atoms/cc or more and 5.0×1020 atoms/cc or less.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBA1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 105-0023 JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Araki, Takeshi Koto Tokyo, JP 72 409
Fuke, Hiroyuki Yokohama Kanagawa, JP 26 155
Hayashi, Mariko Shingawa Tokyo, JP 28 218
Kobayashi, Nao Kawasaki Kanagawa, JP 21 26

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