Superconducting Glass-Ceramics in the Bi-Sr-Ca-Cu-O System

Differential thermal analysis, XRD, SEM, and resistivity measurements, have been used to study the recrystallization during various heat treatments of a Bi1.5SrCaCu2O(z) glass obtained by rapid quenching from the melt. Heating at 450 C formed the Bi(2+x)Sr(2-x)-CuO(z) solid solution designated '...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1990-05, Vol.73 (5), p.1165-1171
Main Authors: De Guire, Mark R., Bansal, Narottam P., Kim, Cheol J.
Format: Article
Language:English
Subjects:
360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies
360204 - Ceramics, Cermets, & Refractories- Physical Properties
426001 - Engineering- Superconducting Devices & Circuits- (1990-)
656002 - Condensed Matter Physics- General Techniques in Condensed Matter- (1987-)
ALKALINE EARTH METAL COMPOUNDS
Applied sciences
bismuth
BISMUTH COMPOUNDS
Building materials. Ceramics. Glasses
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
Chemical industry and chemicals
COHERENT SCATTERING
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
COPPER COMPOUNDS
COPPER OXIDES
DIFFERENTIAL THERMAL ANALYSIS
DIFFRACTION
DISPERSIONS
ELECTRIC CONDUCTIVITY
ELECTRIC IMPEDANCE
ELECTRICAL PROPERTIES
ELECTRON MICROSCOPY
Exact sciences and technology
GLASS
Glass-ceramics
Glasses
HIGH-TC SUPERCONDUCTORS
IMPEDANCE
MATERIALS SCIENCE
MICROSCOPY
MIXTURES
OXIDES
OXYGEN COMPOUNDS
PHASE STUDIES
PHYSICAL PROPERTIES
QUENCHING
SCANNING ELECTRON MICROSCOPY
SCATTERING
SOLID SOLUTIONS
Solid-State Physics
SOLUTIONS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMAL ANALYSIS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
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Description
Summary:Differential thermal analysis, XRD, SEM, and resistivity measurements, have been used to study the recrystallization during various heat treatments of a Bi1.5SrCaCu2O(z) glass obtained by rapid quenching from the melt. Heating at 450 C formed the Bi(2+x)Sr(2-x)-CuO(z) solid solution designated 'R'. Between 765 and 845 C, R reacts slowly with the glass to form the 80 K superconductor Bi2(Sr,Ca)3Cu2O(z), together with CuO. Heating for 7 days at the higher temperature, followed by slow cooling, raised the temperature of zero resistance to 77 K.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1990.tb05174.x