Preparation and characterization of single-crystal RBa/sub 2/Cu/sub 3/O(7-delta) (R = Er, Ho). Technical report No. 31, 1 July 1987-15 July 1988
Technical Report
·
OSTI ID:6663065
Large (1.5 mm x 1.5 mm x 0.05 mm) single crystals of RBa/sub 2/Cu/sub 3/O(7-delta) (R = Er, Ho) were grown from nonstoichiometric mixtures of BaCO/sub 3/-R/sub 2/O/sub 3/-CuO. Crystals of ErBa/sub 2/Cu/sub 3/O(7-delta) and HoBa/sub 2/Cu/sub 3/O(7-delta) grown in alumina crucibles have small orthorhombic distortions and are superconducting with resistive Tc (onsets) = 87 K and 80 K respectively. Crystals of ErBa/sub 2/Cu/sub 3/O(7-delta) grown in ZrO/sub 2/ crucibles show an onset of diamagnetism at 82 K. A number of experiments were carried out in order to optimize the crystal-growth parameters.
- Research Organization:
- Rutgers--the State Univ., New Brunswick, NJ (USA). Dept. of Chemistry
- OSTI ID:
- 6663065
- Report Number(s):
- AD-A-197173/8/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CRUCIBLES
CRYSTAL GROWTH
CUPRATES
DOCUMENT TYPES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM COMPOUNDS
HOLMIUM COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROGRESS REPORT
RARE EARTH COMPOUNDS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CRUCIBLES
CRYSTAL GROWTH
CUPRATES
DOCUMENT TYPES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ERBIUM COMPOUNDS
HOLMIUM COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PROGRESS REPORT
RARE EARTH COMPOUNDS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS