Structural inhomogeneity of directionally crystallized eutectics of oxide systems
From the example of the directionally crystallized eutectics of the oxide systems ZrO/sub 2/-MgAl/sub 2/O/sub 4/, ZrO/sub 2/-Al/sub 2/O/sub 3/, Al/sub 2/O/sub 3/-Y/sub 3/Al/sub 5/O/sub 12/, ZrO/sub 2/-Y/sub 2/O/sub 3/-Al/sub 2/O/sub 3/ it is shown that there is promise in the use of methods of spectral probing and Raman spectra for determining the defect content of the cocrystallized phases, due to polymorphism of the individual compounds, the mutual influence of the crystalline lattices, and the growth conditions. It is shown that in principle it is possible to estimate the value of the integral concentration of inhomogeneities in directionally crystallized oxide eutectics by the method of small-angle neutron scattering.
- OSTI ID:
- 5740636
- Journal Information:
- Inorg. Mater. (Engl. Transl.); (United States), Journal Name: Inorg. Mater. (Engl. Transl.); (United States) Vol. 22:11; ISSN INOMA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
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ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL DOPING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALLIZATION
DIFFRACTION
ENERGY-LEVEL TRANSITIONS
EUROPIUM COMPOUNDS
EUTECTICS
ION IMPLANTATION
LUMINESCENCE
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MELTING
METALLURGICAL EFFECTS
MICROSTRUCTURE
NEODYMIUM COMPOUNDS
NEUTRON DIFFRACTION
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHOTOLUMINESCENCE
RAMAN SPECTRA
RARE EARTH COMPOUNDS
SCATTERING
SMALL ANGLE SCATTERING
SPECTRA
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
ZONE MELTING