Published June 1991
| Version v1
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Structural characterization of high-Tc superconductors
Description
The studies reported were intended to yield information on the relationships between synthesis, structure and properties of high-Tc superconductors. The synthesis and structure of the 124-phase in the system YBaCu and those of the 2223-phase in the Bi-system were given most attention. It was possible to ascertain a reproducible way of synthetizing a pure product, and a product where Y is replaced by 0.1 mole of Ca. The reaction mechanism was characterized by X-ray diffraction analysis. As regards the 2223-phase in the Bi-system, results show a connection between an annealing process in O2 and the crystallographic parameters and superconductivity. (orig./MM)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
Die durchgefuehrten Arbeiten sollten Beitraege zur Kenntnis des Zusammenhanges zwischen Synthese, Struktur und Gefuege und Eigenschaften on HTSL erbringen. Im Mittelpunkt der Untersuchungen standen Fragen der Synthese und Struktur der 124-Phase im System YBaCu und der 2223-Phase im Bi-System. Fuer die 124-Phase gelang es, einen reproduzierbaren Weg zur Synthese eines reinen und eines mit 0,1 Mol Ca fuer Y substituierten Produktes aufzufinden sowie den Reaktionsablauf durch roentgenographische Untersuchungen zu charakterisieren. Fuer die 2223-Phase im Bi-System wurden erste Hinweise erhalten zum Einfluss einer im O2-Strom durchgefuehrten Temperung auf die supraleitenden Eigenschaften und die kristallographischen Parameter. (orig./MM)
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Additional details
Additional titles
- Original title (German)
- Strukturelle Charakterisierung von Hochtemperatursupraleitern
- Original subtitle (German)
- Schlussbericht.
Publishing Information
- Imprint Pagination
- 29 p.
- Report number
- INIS-mf--14178
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 25027684
- Subject category
- S36: MATERIALS SCIENCE; S36: MATERIALS SCIENCE; S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- BARIUM OXIDES; BISMUTH OXIDES; CALCIUM OXIDES; COPPER OXIDES; CRYSTAL STRUCTURE; HIGH-TC SUPERCONDUCTORS; OPTIMIZATION; OXYGEN; STOICHIOMETRY; STRONTIUM OXIDES; SYNTHESIS; TEMPERING; X-RAY DIFFRACTION; YTTRIUM OXIDES
- Descriptors DEC
- ALKALINE EARTH METAL COMPOUNDS; BARIUM COMPOUNDS; BISMUTH COMPOUNDS; CALCIUM COMPOUNDS; CHALCOGENIDES; COHERENT SCATTERING; COPPER COMPOUNDS; DIFFRACTION; ELEMENTS; HEAT TREATMENTS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; SCATTERING; STRONTIUM COMPOUNDS; SUPERCONDUCTORS; TRANSITION ELEMENT COMPOUNDS; YTTRIUM COMPOUNDS
Optional Information
- Contract/Grant/Project number
- Foerderkennzeichen BMFT 30L2018B
- Funding organization
- Bundesministerium fuer Forschung und Technologie, Bonn (Germany).