Nuclear Magnetic Resonance Study of the Phase Transition in Strontium Titanate
Journal Article
·
· Journal of Chemical Physics
The nuclear magnetic resonances of Sr87, Ti47, and Ti49 in a single crystal of SrTiO3 were studied in the vicinity of the phase transition at 110 deg K. The Sr87 resonance exhibited line broadening and a gradual decrease in amplitude below 110 deg K. This is attributed to quadrupole interactions arising from a noncubic crystalline field and is in agreement with electron paramagnetic resonance experiments. No change in the titanium resonance was observed upon cooling the crystal to the lowest available temperature of 95 deg K. From estimates of the quadrupole coupling constants, the results suggest that the ionic displacements are small and very little distortion of the titanium- - oxygen octahedra occurs during the structural phase transition in SrTiO3.
- Research Organization:
- Raytheon Research Div., Waltham, Mass.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-012847
- OSTI ID:
- 4756624
- Journal Information:
- Journal of Chemical Physics, Journal Name: Journal of Chemical Physics Journal Issue: 3 Vol. 38; ISSN JCPSA6; ISSN 0021-9606
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CONFIGURATION
COOLING
COUPLING
CRITICALITY
ELECTRIC FIELDS
ELECTRIC MOMENTS
ERRORS
FUEL ELEMENTS
INTERACTIONS
IONS
LATTICES
LIQUID METAL COOLANT
LOW TEMPERATURE
MAGNETIC MOMENTS
MATHEMATICS
MONOCRYSTALS
MULTIPLICATION FACTORS
NUCLEAR MAGNETIC RESONANCE
PHASE DIAGRAMS
PIPES
PLANNING
QUADRUPOLE MOMENTS
REACTORS
SAFETY
SPACERS
SPECTRA
STEELS
STORAGE
STRONTIUM 87
STRONTIUM COMPOUNDS
TITANIUM 47
TITANIUM 49
TITANIUM OXIDES
WATER
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CONFIGURATION
COOLING
COUPLING
CRITICALITY
ELECTRIC FIELDS
ELECTRIC MOMENTS
ERRORS
FUEL ELEMENTS
INTERACTIONS
IONS
LATTICES
LIQUID METAL COOLANT
LOW TEMPERATURE
MAGNETIC MOMENTS
MATHEMATICS
MONOCRYSTALS
MULTIPLICATION FACTORS
NUCLEAR MAGNETIC RESONANCE
PHASE DIAGRAMS
PIPES
PLANNING
QUADRUPOLE MOMENTS
REACTORS
SAFETY
SPACERS
SPECTRA
STEELS
STORAGE
STRONTIUM 87
STRONTIUM COMPOUNDS
TITANIUM 47
TITANIUM 49
TITANIUM OXIDES
WATER