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Oxide superconductor, oriented oxide thin film, and method for manufacturing oxide superconductor
According to one embodiment, an oxide superconductor (1, 2) includes an oriented superconductor layer (15) and an oxide layer (13, 21). The oriented superconductor layer contains fluorine at 2.0×10 16 -5.0×10 19 atoms/cc and carbon at 1.0×10 18 -5.0×10 20 atoms/cc. The oriented superconductor layer contains in 90% or more a portion oriented along c-axis with an in-plane orientation degree (Æ) of 10 degrees or less, and contains a LnBa 2 Cu 3 O 7-X superconductor material (Ln being yttrium (Y) or a lanthanoid except cerium, praseodymium, promethium, and lutetium. The oxide layer is provided in contact with a lower surface of the oriented superconductor layer and oriented with an in-plane orientation degree (Æ) of 10 degrees or less with respect to one crystal axis of the oriented superconductor layer. Area of a portion of the lower surface of the oriented superconductor layer in contact with the oxide layer is 0.3 or less of area of a region directly below the oriented superconductor layer.
Oxide superconductor, oriented oxide thin film, and method for manufacturing oxide superconductor
According to one embodiment, an oxide superconductor (1, 2) includes an oriented superconductor layer (15) and an oxide layer (13, 21). The oriented superconductor layer contains fluorine at 2.0×10 16 -5.0×10 19 atoms/cc and carbon at 1.0×10 18 -5.0×10 20 atoms/cc. The oriented superconductor layer contains in 90% or more a portion oriented along c-axis with an in-plane orientation degree (Æ) of 10 degrees or less, and contains a LnBa 2 Cu 3 O 7-X superconductor material (Ln being yttrium (Y) or a lanthanoid except cerium, praseodymium, promethium, and lutetium. The oxide layer is provided in contact with a lower surface of the oriented superconductor layer and oriented with an in-plane orientation degree (Æ) of 10 degrees or less with respect to one crystal axis of the oriented superconductor layer. Area of a portion of the lower surface of the oriented superconductor layer in contact with the oxide layer is 0.3 or less of area of a region directly below the oriented superconductor layer.
Oxide superconductor, oriented oxide thin film, and method for manufacturing oxide superconductor
Oxidsuperleiter, ausgerichteter Oxiddünnfilm und Verfahren zum Herstellen eines Oxidsuperleiters
Supraconducteur à oxyde, film mince d'oxyde orienté et procédé de fabrication d'un oxyde supraconducteur
ARAKI TAKESHI (Autor:in) / HAYASHI MARIKO (Autor:in) / YAMADA KO (Autor:in) / FUKE HIROYUKI (Autor:in)
13.04.2016
Patent
Elektronische Ressource
Englisch
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