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Bi/sub 4/Sr/sub 3/Ca/sub 3/Cu/sub 4/O/sub 16/ galss and superconducting glass ceramics

Journal Article · · Phys. Rev. B: Condens. Matter; (United States)
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Bi/sub 4/Sr/sub 3/Ca/sub 3/Cu/sub 4/O/sub 16/ glass has been successfully fabricated by the melting process. Glass transition temperature, crystallization temperature, and liquid temperature of the glass are 434, 478, and 833 /sup 0/C, respectively. After the glass is heat treated at 800 /sup 0/C, a glass ceramic is formed. A comparison of the x-ray-diffraction pattern of the superconducting Bi/sub 4/Sr/sub 3/Ca/sub 3/Cu/sub 4/O/sub 16+//sub x/ ceramic to the Bi/sub 4/Sr/sub 3/Ca/sub 3/Cu/sub 4/O/sub 16/ glass ceramic revealed preferred orientation in the glass ceramic crystals. The superconducting transition temperatures T/sub c//sub (onset)/ and T/sub c//sub (zero)/ of the glass ceramics are 100 and 45 K, respectively.
Research Organization:
Department of Materials Science and Engineering, University of California, Los Angeles, California 90024
OSTI ID:
6824317
Journal Information:
Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:10; ISSN PRBMD
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656100* -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CERAMICS
CHALCOGENIDES
COMPARATIVE EVALUATIONS
COPPER COMPOUNDS
COPPER OXIDES
CUPRATES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
GLASS
NONMETALS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTITY RATIO
SAMPLE PREPARATION
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE