Anomalous temperature dependence of the electric-field gradient at /sup 181/Ta impurities in holmium: Influence of host 4f crystalline-field levels
Journal Article
·
· Phys. Rev. Lett.; (United States)
Measurements of the electric quadrupole interaction at /sup 181/Ta impurities in paramagnetic Ho metal using time-differential perturbed angular correlations show marked deviation from the usual T/sup 3/2/ behavior. A phenomenological theory applied to this and other cases of closed-shell probes in rare-earth metals indicates that the deviation is due to the aspherical charge distribution of the host ion arising from the influence of the crystalline electric field on their unfilled 4f shells.
- Research Organization:
- Department of Physics, University of Maryland, Baltimore County, Baltimore, Maryland 21228
- OSTI ID:
- 6604192
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 41:17; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
ANGULAR CORRELATION
CORRELATIONS
CRYSTAL FIELD
ELECTRIC FIELDS
ELECTRIC MOMENTS
ELEMENTS
ENERGY LEVELS
GAMMA SPECTRA
HEAVY NUCLEI
HIGH TEMPERATURE
HOLMIUM
HYPERFINE STRUCTURE
INHOMOGENEOUS FIELDS
ISOTOPES
MEDIUM TEMPERATURE
METALS
NUCLEAR ELECTRIC MOMENTS
NUCLEAR PROPERTIES
NUCLEI
ODD-EVEN NUCLEI
RARE EARTHS
SPECTRA
STABLE ISOTOPES
TANTALUM 181
TANTALUM ISOTOPES
TEMPERATURE DEPENDENCE
TRACE AMOUNTS
360104* -- Metals & Alloys-- Physical Properties
ANGULAR CORRELATION
CORRELATIONS
CRYSTAL FIELD
ELECTRIC FIELDS
ELECTRIC MOMENTS
ELEMENTS
ENERGY LEVELS
GAMMA SPECTRA
HEAVY NUCLEI
HIGH TEMPERATURE
HOLMIUM
HYPERFINE STRUCTURE
INHOMOGENEOUS FIELDS
ISOTOPES
MEDIUM TEMPERATURE
METALS
NUCLEAR ELECTRIC MOMENTS
NUCLEAR PROPERTIES
NUCLEI
ODD-EVEN NUCLEI
RARE EARTHS
SPECTRA
STABLE ISOTOPES
TANTALUM 181
TANTALUM ISOTOPES
TEMPERATURE DEPENDENCE
TRACE AMOUNTS