Superconducting thin film material and method of...

H - Electricity – 01 – B

Patent

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H01B 12/06 (2006.01) H01B 13/00 (2006.01)

Patent

CA 2651418

Disclosed is a superconducting thin film material wherein good superconducting characteristics are achieved by preventing element diffusion. Also disclosed is a method for producing a superconducting thin film material. Specifically disclosed is a superconducting thin film material (10) comprising a substrate (11), an intermediate layer (12) composed of one or more layers and formed on the substrate (11), and a superconducting layer (13) formed on the intermediate layer (12). The intermediate layer (12) has a thickness of not less than 0.4 µm. The intermediate layer (12) is preferably made of an oxide having at least one crystal structure selected from a sodium chloride structure, fluorite structure, perovskite structure and pyrochlore structure.

L'invention concerne un matériau à film mince supraconducteur présentant de bonnes caractéristiques de supraconductivité par prévention de la diffusion d'éléments. L'invention concerne également un procédé de production d'un matériau à film mince supraconducteur. L'invention concerne de manière plus spécifique un matériau (10) à film mince supraconducteur comprenant un substrat (11), une couche intermédiaire (12) composée d'une ou de plusieurs couches et formée sur le substrat (11), et une couche supraconductrice (13) formée sur la couche intermédiaire (12). La couche intermédiaire (12) présente une épaisseur non inférieure à 0,4 µm. La couche intermédiaire (12) est, de préférence, faite d'un oxyde ayant au moins une structure cristalline sélectionnée parmi une structure de chlorure de sodium, une structure de fluorine, une structure de perovskite et une structure de pyrochlore.

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