Lattice dynamics of transition metal oxide MnO using three body force shell model
Journal Article
·
· Mod. Phys. Letters B; (United States)
The phonon dispersion curve for the transition metal oxide viz. manganese oxide at room temperature has been calculated for the first time, assuming Mn/sup ++/ and O/sup --/ ions are highly polarisable. The three body force shell model employed here takes care of the effect of many body interactions in the lattice potential. The aim of this paper is to treat the various interactions between the ions in a more general way without making them numerically equal. The values of the phonon frequencies evaluated by the new approach are in general, in good agreement with the experimental values.
- Research Organization:
- Dept. of Physics, Pondicherry Univ., JIPMER Campus, Pondicherry (IN)
- OSTI ID:
- 5871073
- Journal Information:
- Mod. Phys. Letters B; (United States), Vol. 3:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
74 ATOMIC AND MOLECULAR PHYSICS
36 MATERIALS SCIENCE
MANGANESE OXIDES
THREE-BODY PROBLEM
SHELL MODELS
CORRELATIONS
EXPERIMENTAL DATA
LATTICE PARAMETERS
MANGANESE IONS
MANY-BODY PROBLEM
OXYGEN IONS
PHONONS
CHALCOGENIDES
CHARGED PARTICLES
DATA
INFORMATION
IONS
MANGANESE COMPOUNDS
MATHEMATICAL MODELS
NUCLEAR MODELS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
QUASI PARTICLES
TRANSITION ELEMENT COMPOUNDS
640302* - Atomic
Molecular & Chemical Physics- Atomic & Molecular Properties & Theory
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
640304 - Atomic
Molecular & Chemical Physics- Collision Phenomena
36 MATERIALS SCIENCE
MANGANESE OXIDES
THREE-BODY PROBLEM
SHELL MODELS
CORRELATIONS
EXPERIMENTAL DATA
LATTICE PARAMETERS
MANGANESE IONS
MANY-BODY PROBLEM
OXYGEN IONS
PHONONS
CHALCOGENIDES
CHARGED PARTICLES
DATA
INFORMATION
IONS
MANGANESE COMPOUNDS
MATHEMATICAL MODELS
NUCLEAR MODELS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
QUASI PARTICLES
TRANSITION ELEMENT COMPOUNDS
640302* - Atomic
Molecular & Chemical Physics- Atomic & Molecular Properties & Theory
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
640304 - Atomic
Molecular & Chemical Physics- Collision Phenomena