/sup 161/Dy Moessbauer spectroscopy studies of divalent and trivalent dysprosium halides and oxyhalides
Journal Article
·
· Inorg. Chem.; (United States)
/sup 161/Dy (dysprosium 161) hyperfine interaction measurements are reported for the dysprosium dihalides DyX/sub 2/, trihalides DyX/sub 3/, and oxyhalides DyOX (X = chlorine, bromine, iodine (Cl, Br, I)) using the 26-keV Moessbauer resonance. In the dihalides, the electron configuration of dysprosium is divalent (4f/sup 10/). However, it has been impossible to obtain pure phases of these compounds. The oxyhalides order antiferromagnetically below 10 K. The hyperfine parameters and the magnetic ordering in these compounds are interpreted in terms of electronic structure with use of a Hamiltonian including electric crystal field and magnetic exchange effects. The change of mean square nuclear radius of /sup 161/Dy between the ground and 26-keV levels (..delta..(r/sup 2/) = 8.0 x 10/sup -3/ fm/sup 2/) is deduced by combination of the isomer shift results with free-ion electron density calculations. 8 figures, 6 tables.
- Research Organization:
- Centre de Recherches Nucleaires, Strasbourg, France
- OSTI ID:
- 5507555
- Journal Information:
- Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 22:20; ISSN INOCA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Magnetic- and crystal-field properties of dysprosium dihydrides and trihydrides from /sup 161/Dy Moessbauer studies
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TEMPERATURE DEPENDENCE OF THE SIZE OF THE HYPERFINE STRUCTURE OF THE DISINTEGRATION OF Dy$sup 161$ LEVELS IN PARAMAGNETIC DYSPROSIUM OXIDE
Journal Article
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Sun Jul 01 00:00:00 EDT 1979
· Phys. Rev., B: Condens. Matter; (United States)
·
OSTI ID:6104453
HYPERFINE INTERACTIONS IN THE GROUND STATE AND FIRST EXCITED STATE OF Dy$sup 161$ IN DYSPROSIUM IRON GARNET
Journal Article
·
Mon May 01 00:00:00 EDT 1961
· Phys. Rev. Letters
·
OSTI ID:4015488
TEMPERATURE DEPENDENCE OF THE SIZE OF THE HYPERFINE STRUCTURE OF THE DISINTEGRATION OF Dy$sup 161$ LEVELS IN PARAMAGNETIC DYSPROSIUM OXIDE
Journal Article
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Thu Jun 01 00:00:00 EDT 1961
· Zhur. Eksptl'. i Teoret. Fiz.
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OSTI ID:4836141
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
400201* -- Chemical & Physicochemical Properties
ANTIFERROMAGNETIC MATERIALS
BROMIDES
BROMINE COMPOUNDS
CHLORIDES
CHLORINE COMPOUNDS
COHERENT SCATTERING
COMPARATIVE EVALUATIONS
CRYSTAL STRUCTURE
DATA
DIFFRACTION
DYSPROSIUM BROMIDES
DYSPROSIUM CHLORIDES
DYSPROSIUM COMPOUNDS
DYSPROSIUM IODIDES
ELECTRON DENSITY
ELECTRONIC STRUCTURE
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYPERFINE STRUCTURE
INFORMATION
IODIDES
IODINE COMPOUNDS
LATTICE PARAMETERS
LOW TEMPERATURE
MAGNETIC MATERIALS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MATERIALS
MATHEMATICAL MODELS
MEDIUM TEMPERATURE
MOESSBAUER EFFECT
NUMERICAL DATA
OXYBROMIDES
OXYCHLORIDES
OXYGEN COMPOUNDS
OXYIODIDES
PHYSICAL PROPERTIES
POWDERS
RARE EARTH COMPOUNDS
SAMPLE PREPARATION
SCATTERING
STRUCTURAL CHEMICAL ANALYSIS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE
VALENCE
X-RAY DIFFRACTION
400104 -- Spectral Procedures-- (-1987)
400201* -- Chemical & Physicochemical Properties
ANTIFERROMAGNETIC MATERIALS
BROMIDES
BROMINE COMPOUNDS
CHLORIDES
CHLORINE COMPOUNDS
COHERENT SCATTERING
COMPARATIVE EVALUATIONS
CRYSTAL STRUCTURE
DATA
DIFFRACTION
DYSPROSIUM BROMIDES
DYSPROSIUM CHLORIDES
DYSPROSIUM COMPOUNDS
DYSPROSIUM IODIDES
ELECTRON DENSITY
ELECTRONIC STRUCTURE
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYPERFINE STRUCTURE
INFORMATION
IODIDES
IODINE COMPOUNDS
LATTICE PARAMETERS
LOW TEMPERATURE
MAGNETIC MATERIALS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MATERIALS
MATHEMATICAL MODELS
MEDIUM TEMPERATURE
MOESSBAUER EFFECT
NUMERICAL DATA
OXYBROMIDES
OXYCHLORIDES
OXYGEN COMPOUNDS
OXYIODIDES
PHYSICAL PROPERTIES
POWDERS
RARE EARTH COMPOUNDS
SAMPLE PREPARATION
SCATTERING
STRUCTURAL CHEMICAL ANALYSIS
TEMPERATURE DEPENDENCE
ULTRALOW TEMPERATURE
VALENCE
X-RAY DIFFRACTION