Monte Carlo studies of oxygen ordering in the YBa sub 2 Cu sub 3 minus x A sub x O sub 7 minus. delta. systems ( A =Ga,Al)
Journal Article
·
· Physical Review (Section) B: Condensed Matter; (USA)
- Department of Physics and Astronomy and The Center for Fundamental Materials Research, Michigan State University, East Lansing, Michigan 48824-1116 (US)
Monte Carlo simulation with constant oxygen concentration (Kawasaki dynamics) of a lattice-gas model with anisotropic interaction is used to explore the effects of thermal quenching on oxygen ordering in the basal plane of YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} and related systems. The oxygen structure factor is calculated for various quenching conditions and for different oxygen concentrations. The growth of the orthorhombic domain is monitored through the {bold q} dependence of the oxygen structure factor along the {ital a} and {ital b} directions. The effect of substituting Ga{sup 3+} or Al{sup 3+} ions at Cu(1) chain sites on the oxygen ordering is also discussed within the framework of this model.
- OSTI ID:
- 5376118
- Journal Information:
- Physical Review (Section) B: Condensed Matter; (USA), Journal Name: Physical Review (Section) B: Condensed Matter; (USA) Vol. 40:10; ISSN PRBMD; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELEMENTS
HEAT TREATMENTS
MONTE CARLO METHOD
NONMETALS
ORDER-DISORDER TRANSFORMATIONS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
STRUCTURE FACTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
ELEMENTS
HEAT TREATMENTS
MONTE CARLO METHOD
NONMETALS
ORDER-DISORDER TRANSFORMATIONS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
STRUCTURE FACTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES