Large single domain 123 material produced by seeding with single crystal rare earth barium copper oxide single crystals
Abstract
A method of fabricating bulk YBa.sub.2 Cu.sub.3 O.sub.x where compressed powder oxides and/or carbonates of Y and Ba and Cu present in mole ratios to form YBa.sub.2 Cu.sub.3 O.sub.x are heated in the presence of a Nd.sub.1+x Ba.sub.2-x Cu.sub.3 O.sub.y seed crystal to a temperature sufficient to form a liquid phase in the YBa.sub.2 Cu.sub.3 O.sub.x while maintaining the seed crystal solid. The materials are slowly cooled to provide a YBa.sub.2 Cu.sub.3 O.sub.x material having a predetermined number of domains between 1 and 5. Crack-free single domain materials can be formed using either plate shaped seed crystals or cube shaped seed crystals with a pedestal of preferential orientation material.
- Inventors:
-
- Lemont, IL
- Darien, IL
- Oak Park, OH
- Columbus, OH
- Issue Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- OSTI Identifier:
- 871685
- Patent Number(s):
- 5776864
- Assignee:
- University of Chicago (Chicago, IL)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C04 - CEMENTS C04B - LIME, MAGNESIA
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
- DOE Contract Number:
- W-31109-ENG-38
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- single; domain; 123; material; produced; seeding; crystal; rare; earth; barium; copper; oxide; crystals; method; fabricating; bulk; yba; cu; compressed; powder; oxides; carbonates; mole; ratios; form; heated; presence; 2-x; seed; temperature; sufficient; liquid; phase; maintaining; solid; materials; slowly; cooled; provide; predetermined; domains; crack-free; formed; plate; shaped; cube; pedestal; preferential; orientation; seed crystals; material produced; seed crystal; preferential orientation; copper oxide; liquid phase; rare earth; single crystal; temperature sufficient; single crystals; mole ratio; single domain; barium copper; powder oxides; oxide single; mole ratios; compressed powder; fabricating bulk; earth barium; /505/23/252/423/
Citation Formats
Todt, Volker, Miller, Dean J, Shi, Donglu, and Sengupta, Suvankar. Large single domain 123 material produced by seeding with single crystal rare earth barium copper oxide single crystals. United States: N. p., 1998.
Web.
Todt, Volker, Miller, Dean J, Shi, Donglu, & Sengupta, Suvankar. Large single domain 123 material produced by seeding with single crystal rare earth barium copper oxide single crystals. United States.
Todt, Volker, Miller, Dean J, Shi, Donglu, and Sengupta, Suvankar. Tue .
"Large single domain 123 material produced by seeding with single crystal rare earth barium copper oxide single crystals". United States. https://www.osti.gov/servlets/purl/871685.
@article{osti_871685,
title = {Large single domain 123 material produced by seeding with single crystal rare earth barium copper oxide single crystals},
author = {Todt, Volker and Miller, Dean J and Shi, Donglu and Sengupta, Suvankar},
abstractNote = {A method of fabricating bulk YBa.sub.2 Cu.sub.3 O.sub.x where compressed powder oxides and/or carbonates of Y and Ba and Cu present in mole ratios to form YBa.sub.2 Cu.sub.3 O.sub.x are heated in the presence of a Nd.sub.1+x Ba.sub.2-x Cu.sub.3 O.sub.y seed crystal to a temperature sufficient to form a liquid phase in the YBa.sub.2 Cu.sub.3 O.sub.x while maintaining the seed crystal solid. The materials are slowly cooled to provide a YBa.sub.2 Cu.sub.3 O.sub.x material having a predetermined number of domains between 1 and 5. Crack-free single domain materials can be formed using either plate shaped seed crystals or cube shaped seed crystals with a pedestal of preferential orientation material.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 07 00:00:00 EDT 1998},
month = {Tue Jul 07 00:00:00 EDT 1998}
}
Works referenced in this record:
Processing of large YBa2 Cu3Ox domains for levitation applications by a Nd1+x Ba2−x Cu3 Oy-Seeded melt-growth technique
journal, November 1994
- Todt, V. R.; Sengupta, S.; Shi, Donglu
- Journal of Electronic Materials, Vol. 23, Issue 11
Critical Current Densities in Superconducting Y-Ba-Cu-O Prepared by the Quench-and-Melt Growth Technique
journal, September 1989
- Matsushita, Teruo; Ni, Baorong; Murakami, Masato
- Japanese Journal of Applied Physics, Vol. 28, Issue Part 2, No. 9