Method for harvesting rare earth barium copper oxide single crystals

Patent · 01 January 1996

OSTI ID:870363

Todt, Volker R ^[1]; Sengupta, Suvankar ^[2]; Shi, Donglu ^[3]

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1. Lemont, IL
2. Columbus, OH
3. Cincinnati, OH

A method of preparing high temperature superconductor single crystals. The method of preparation involves preparing precursor materials of a particular composition, heating the precursor material to achieve a peritectic mixture of peritectic liquid and crystals of the high temperature superconductor, cooling the peritectic mixture to quench directly the mixture on a porous, wettable inert substrate to wick off the peritectic liquid, leaving single crystals of the high temperature superconductor on the porous substrate. Alternatively, the peritectic mixture can be cooled to a solid mass and reheated on a porous, inert substrate to melt the matrix of peritectic fluid while leaving the crystals melted, allowing the wicking away of the peritectic liquid.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL
• DOE Contract Number: W-31109-ENG-38
• Assignee: University of Chicago (Chicago, IL)
• Patent Number(s): US 5504060
• OSTI ID: 870363
• Country of Publication: United States
• Language: English

Related Subjects

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achieve
allowing
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composition
cooled
cooling
copper
copper oxide
crystals
directly
earth
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fluid
harvesting
heating
inert
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involves
involves preparing
leaving
liquid
mass
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matrix
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oxide
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particular
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peritectic
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porous
porous substrate
precursor
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preparation involves
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preparing precursor
quench
rare
rare earth
reheated
single
single crystal
single crystals
solid
solid mass
substrate
superconductor
temperature
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wettable
wick
wicking