X-ray studies of helium-quenched Ba sub 2 YCu sub 3 O sub 7-x
Conference
·
· Advanced Ceramic Materials; (USA)
OSTI ID:5123956
- National Bureau of Standards, Gaithersburg, MD (USA)
A series of 11 samples of Ba{sub 2}YCu{sub 3}O{sub 7-x} (x {approx} 0 to 1) was prepared from single phase orthorhombic material by annealing at temperatures from 400 to 1000{degree}C, followed by rapid quenching. All quenchings were performed using a liquid nitrogen-cooled copper cold well through which helium gas was passed. Lattice parameters were obtained for these materials by x-ray powder diffraction methods to obtain dependence of cell volumes and crystal symmetry on annealing temperature.
- OSTI ID:
- 5123956
- Report Number(s):
- CONF-8704372--
- Conference Information:
- Journal Name: Advanced Ceramic Materials; (USA) Journal Volume: 2:3B
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CERAMICS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
FLUIDS
GASES
HEAT TREATMENTS
HELIUM
LATTICE PARAMETERS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUENCHING
RARE GASES
SCATTERING
SUPERCONDUCTIVITY
SUPERCONDUCTORS
SYMMETRY
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CERAMICS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ELEMENTS
FLUIDS
GASES
HEAT TREATMENTS
HELIUM
LATTICE PARAMETERS
NONMETALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUENCHING
RARE GASES
SCATTERING
SUPERCONDUCTIVITY
SUPERCONDUCTORS
SYMMETRY
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES