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Method of fabricating a (1223) Tl-Ba-Ca-Cu-O superconductor

Patent ·
OSTI ID:871042
 [1];  [2];  [3]
  1. Delanson, NY
  2. Schenectady, NY
  3. Knoxville, TN
+ Show Author Affiliations

A method is disclosed for fabricating a polycrystalline <223> thallium-containing superconductor having high critical current at elevated temperatures and in the presence of a magnetic field. A powder precursor containing compounds other than thallium is compressed on a substrate. Thallium is incorporated in the densified powder precursor at a high temperature in the presence of a partial pressure of a thallium-containing vapor.

Research Organization:
LOCKHEED MARTIN ENRGY SYST INC
DOE Contract Number:
AC05-84OR21400
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
US 5646097
OSTI ID:
871042
Country of Publication:
United States
Language:
English

References (4)

Enhancement of the critical current of Ag8Tl2Ba2Ca2Cu3010 by compressive reorientation journal May 1991
Forming Superconducting Tl-Ca-Ba-Cu-O Thin Films by the Diffusion Method journal January 1989
Is the Magnetic Suspension of High-Temperature Superconductors a General Phenomenon? journal October 1988
Bulk superconductivity at 120 K in the Tl–Ca/Ba–Cu–O system journal March 1988

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Related Subjects

/505/427/
1223
223
compounds
compressed
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critical
critical current
current
densified
disclosed
elevated
elevated temperature
elevated temperatures
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magnetic
magnetic field
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partial
partial pressure
polycrystalline
powder
powder precursor
precursor
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presence
pressure
substrate
superconductor
temperature
temperatures
thallium
thallium-containing
tl-ba-ca-cu-o
vapor