Phase transformation resulting from nitrogen annealing of bismuth-deficient-2212 compound
Journal Article
·
· Materials Research Bulletin; (United States)
- National Physical Lab., New Delhi (India)
Phase transformation of nominal Bi deficient 2212 has been studied through X-ray diffraction, resistivity and susceptibility. The reversibility of converting the lower [Tc] phases of Bi system along with Ca[sub 2]CuO[sub 3] and CuO, into high [Tc] Bi-phase has been observed. The N[sub 2] annealing of this distorted Bi-2223 phase leads to the formation of lower [Tc] phases in the system. Further higher temperature nitrogen annealing of the Bi-2223 phase has been seen to generate the amorphicity in the material. Results are also discussed in the light of recent band structure calculations.
- OSTI ID:
- 6097056
- Journal Information:
- Materials Research Bulletin; (United States), Journal Name: Materials Research Bulletin; (United States) Vol. 28:1; ISSN MRBUAC; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
HEAT TREATMENTS
HIGH-TC SUPERCONDUCTORS
NITROGEN
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
360207* -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
HEAT TREATMENTS
HIGH-TC SUPERCONDUCTORS
NITROGEN
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE