Superexchange interactions in Li/sub 0. 5/Fe/sub 2. 5/O/sub 4/ and Y/sub 3/Fe/sub 5/O/sub 12/
Journal Article
·
· J. Struct. Chem. (Engl. Transl.); (United States)
OSTI ID:5736015
The mechanisms of the indirect exchange interaction in ferrimagnetic compounds with garnet and spinel structures were investigated. The evaluations of the exchange parameters for such compounds were generally carried out in the framework of the nearest-neighbors approximations of molecular field theory. In order to reveal the role of these exchange interactions in the compounds under consideration, the authors performed direct calculations of the magnetic interactions with the cations in the second and third coordination spheres. The superexchange interactions in Li/sub 0.5/Fe/sub 2.5/O/sub 4/ and Y/sub 3/Fe/sub 5/O/sub 12/, in particular, are studied.
- OSTI ID:
- 5736015
- Journal Information:
- J. Struct. Chem. (Engl. Transl.); (United States), Journal Name: J. Struct. Chem. (Engl. Transl.); (United States) Vol. 27:5; ISSN JSTCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ATOMIC MODELS
BINDING ENERGY
CHALCOGENIDES
CONFIGURATION INTERACTION
CRYSTAL MODELS
CRYSTALS
ELECTRON TRANSFER
ELECTRONIC STRUCTURE
ENERGY
FERRIMAGNETIC MATERIALS
FERRITE GARNETS
FIELD THEORIES
ION EXCHANGE
IONIC CRYSTALS
IONIZATION POTENTIAL
IRON COMPOUNDS
IRON OXIDES
LATTICE PARAMETERS
LITHIUM COMPOUNDS
LITHIUM OXIDES
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MAGNETIC MATERIALS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MATERIALS
MATHEMATICAL MODELS
MECHANICS
MINERALS
MOLECULAR MODELS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
SILICATE MINERALS
SPINELS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL COMPOUNDS
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ATOMIC MODELS
BINDING ENERGY
CHALCOGENIDES
CONFIGURATION INTERACTION
CRYSTAL MODELS
CRYSTALS
ELECTRON TRANSFER
ELECTRONIC STRUCTURE
ENERGY
FERRIMAGNETIC MATERIALS
FERRITE GARNETS
FIELD THEORIES
ION EXCHANGE
IONIC CRYSTALS
IONIZATION POTENTIAL
IRON COMPOUNDS
IRON OXIDES
LATTICE PARAMETERS
LITHIUM COMPOUNDS
LITHIUM OXIDES
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MAGNETIC MATERIALS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MATERIALS
MATHEMATICAL MODELS
MECHANICS
MINERALS
MOLECULAR MODELS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
QUANTUM MECHANICS
SILICATE MINERALS
SPINELS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES