Mechanism of solid state reaction from 2212 to 2223 in BSCCO studied by HREM
Journal Article
·
· Modern Physics Letters B; (United States)
OSTI ID:5931134
- Shanghai Inst. of Ceramics, Chinese Academy of Science, Shanghai 20005 (CN)
Two mechanisms of solid state reaction from 2212 to 2223 in Bi-Sr-Ca-Cu-O have been investigated and are elucidated in this paper. The first mechanism is related to nucleation of 2223 phase in a liquid matrix with the composition of Bi{sub 2}SrCaCu{sub 2}O + Ca{sub 2}CuO{sub 3} + CuO and subsequent growth. The second mechanism is related to intragrain reaction in which only two layers of atoms (a Ca layer and a CuO layer) are required to move into the 2212 structure forming the 2223 structure. To study the mechanisms of such a solid state reaction may be very important for the preparation of pure 2223 phase in Bi-Sr-Ca-Cu-O.
- OSTI ID:
- 5931134
- Journal Information:
- Modern Physics Letters B; (United States), Journal Name: Modern Physics Letters B; (United States) Vol. 5:8; ISSN 0217-9849; ISSN MPLBE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON MICROSCOPY
KINETICS
LAYERS
MICROSCOPY
NATIONAL ORGANIZATIONS
NUCLEATION
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
REACTION KINETICS
SOLAR ENERGY RESEARCH INSTITUTE
SOLIDS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
US DOE
US ORGANIZATIONS
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
665100 -- Nuclear Techniques in Condensed Matter Physics -- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTION KINETICS
COPPER COMPOUNDS
COPPER OXIDES
ELECTRON MICROSCOPY
KINETICS
LAYERS
MICROSCOPY
NATIONAL ORGANIZATIONS
NUCLEATION
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
REACTION KINETICS
SOLAR ENERGY RESEARCH INSTITUTE
SOLIDS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
TRANSMISSION ELECTRON MICROSCOPY
US DOE
US ORGANIZATIONS