Iron-based superconducting wire and manufacturing method therefor

A wire rod and superconductor technology, which is applied in the manufacture/processing of superconductor devices, superconductor devices, permanent superconductor devices, etc. Stable characteristics, simple production effect

Inactive Publication Date: 2014-04-16
NAT INST FOR MATERIALS SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In addition, the critical current density and critical magnetic field of iron-based superconductors are high, and there are high expectations for applicability

Method used

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  • Iron-based superconducting wire and manufacturing method therefor
  • Iron-based superconducting wire and manufacturing method therefor
  • Iron-based superconducting wire and manufacturing method therefor

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Embodiment Construction

[0022] In the iron-based superconducting wire of the present invention, a cylindrical body mainly composed of iron is used, and the iron forming the cylindrical body and chemical component elements other than iron that are filled into the cylindrical body and constitute the iron-based superconductor That is, the raw material produces an iron-based superconductor. That is, an iron-based superconductor including iron forming the cylindrical body as one of the chemical constituent elements is generated inside the cylindrical body mainly composed of iron.

[0023] The cylindrical body is mainly made of iron to facilitate the formation of the iron-based superconductor. The cylindrical body may contain additives other than iron and unavoidable impurities as long as the formation of the iron-based superconductor is not hindered. For example, the addition of Hexagonal phase, Pyrite phase, silver, iron oxide, bismuth, etc. is allowed.

[0024] The iron-based superconductor in the iron...

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Abstract

Disclosed is an iron-based superconducting wire comprising a tubular material formed mainly from iron, and an iron-based superconductor formed in the tubular material, wherein the iron-based superconductor contains the iron forming the tubular material as a chemical constituent element of the iron-based superconductor.

Description

technical field [0001] The present invention relates to an iron-based superconducting wire using an iron-based superconductor mainly composed of iron and a method for producing the same. Background technique [0002] Iron-based superconductors were discovered in early 2008 (Non-Patent Document 1). Taking this discovery as an opportunity, superconductors have been discovered in similar compounds one after another, and iron-based superconductors are expected to become the veins of new high-temperature superconductors. [0003] In addition, iron-based superconductors have high critical current density and critical magnetic field, and are expected to have high applicability. The present inventors have developed FeSe, FeTe, FeSe 1-x Te x (0<x<1), FeTe 1-x S x (0<x<1) etc. (for example, Non-Patent Document 2-3). In addition, it is known that there is a slight excess of Fe in the molar ratio of Fe and the chalcogen compound. These iron-based superconductors are c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B12/10C01B19/00C01B19/04C01G1/00
CPCC01P2004/03H01L39/24C01B19/007C01P2002/85H01L39/125H01L39/14Y10T29/49014Y10S505/704H10N60/855H10N60/20H10N60/01
Inventor 高野义彦水口佳一熊仓浩明
Owner NAT INST FOR MATERIALS SCI
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