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1. WO2020117369 - SUPERCONDUCTOR FLUX PINNING WITHOUT COLUMNAR DEFECTS

Publication Number WO/2020/117369
Publication Date 11.06.2020
International Application No. PCT/US2019/055745
International Filing Date 10.10.2019
IPC
H01B 12/06 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
12Superconductive or hyperconductive conductors, cables or transmission lines
02characterised by their form
06Films or wires on bases or cores
CPC
H01L 39/14
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
39Devices using superconductivity; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof
14Permanent superconductor devices
Applicants
  • METAL OXIDE TECHNOLOGIES, LLC. [US]/[US]
Inventors
  • NOVOZHILOV, Mikhail
  • IGNATIEV, Alex
Agents
  • SHAY, Chris D.
Priority Data
62/745,37214.10.2018US
62/745,37314.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SUPERCONDUCTOR FLUX PINNING WITHOUT COLUMNAR DEFECTS
(FR) ANCRAGE DE FLUX SUPRACONDUCTEUR SANS DÉFAUTS COLONNAIRES
Abstract
(EN)
There is a superconducting article that includes a superconducting film comprising a substrate, one or more buffer layers, and a high temperature superconducting (HTS) layer. The superconducting layer may be comprised of the chemical composition REBa2Cu3O7-x, where RE is one or more rare earth elements, for example: Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. The superconductor layer is produced using Photo-Assisted Metal Organic Chemical Vapor Deposition (PAMOCVD) and contains non-superconducting nanoparticles. The nanoparticles are substantially provided in the a-b plane and naturally oriented. The non-superconducting nanoparticles provide flux pinning centers that improve the critical current properties of the superconducting film.
(FR)
L'invention concerne un article supraconducteur qui comprend un film supraconducteur comprenant un substrat, une ou plusieurs couches tampons, et une couche supraconductrice à haute température (HTS). La couche supraconductrice peut être constituée de la composition chimique EBa2Cu3O7-x, RE étant un ou plusieurs éléments des terres rares, par exemple: Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb et Lu. La couche supraconductrice est produite à l'aide d'un dépôt chimique en phase vapeur organométallique (PAMOCVD) assisté par la lumière et contient des nanoparticules non supraconductrices. Les nanoparticules sont sensiblement disposées dans le plan a-b et orientées naturellement. Les nanoparticules non supraconductrices fournissent des centres d'ancrage de flux qui améliorent les propriétés de courant critique du film supraconducteur.
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