High temperature superconductors having planar magnetic flux pinning centers and methods for making the same
Abstract
Superconductor wires or layers having improved properties and methods for making the same are described. The superconducting layer includes a rare earth element-alkaline earth element-transition metal oxide having an average stacking fault density that is greater than about 0.01 nm−1, wherein two or more rare earth cations form the rare earth element. To form the superconductor layer of the present invention, a layer having a rare earth element-alkaline earth element-transition metal oxide substantially in a first crystal structure can be provided to a substrate where two or more rare earth cations form the rare earth element. The layer can then be heated at a temperature that is greater than 550° C. under oxidizing conditions to form a high-temperature superconducting layer substantially in a second crystal structure.
- Inventors:
- Issue Date:
- Research Org.:
- American Superconductor Corp., Devens, MA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1531675
- Patent Number(s):
- 7902120
- Application Number:
- 11/880,533
- Assignee:
- American Superconductor Corporation (Devens, MA)
- Patent Classifications (CPCs):
-
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- DOE Contract Number:
- 4000026954
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2007-07-23
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Rupich, Martin W., Zhang, Wei, Huang, Yibing, and Li, Xiaoping. High temperature superconductors having planar magnetic flux pinning centers and methods for making the same. United States: N. p., 2011.
Web.
Rupich, Martin W., Zhang, Wei, Huang, Yibing, & Li, Xiaoping. High temperature superconductors having planar magnetic flux pinning centers and methods for making the same. United States.
Rupich, Martin W., Zhang, Wei, Huang, Yibing, and Li, Xiaoping. Tue .
"High temperature superconductors having planar magnetic flux pinning centers and methods for making the same". United States. https://www.osti.gov/servlets/purl/1531675.
@article{osti_1531675,
title = {High temperature superconductors having planar magnetic flux pinning centers and methods for making the same},
author = {Rupich, Martin W. and Zhang, Wei and Huang, Yibing and Li, Xiaoping},
abstractNote = {Superconductor wires or layers having improved properties and methods for making the same are described. The superconducting layer includes a rare earth element-alkaline earth element-transition metal oxide having an average stacking fault density that is greater than about 0.01 nm−1, wherein two or more rare earth cations form the rare earth element. To form the superconductor layer of the present invention, a layer having a rare earth element-alkaline earth element-transition metal oxide substantially in a first crystal structure can be provided to a substrate where two or more rare earth cations form the rare earth element. The layer can then be heated at a temperature that is greater than 550° C. under oxidizing conditions to form a high-temperature superconducting layer substantially in a second crystal structure.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {3}
}
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