Paramagnetic impurity effects in NMR determinations of hydrogen diffusion and electronic structure in metal hydrides
Conference
·
OSTI ID:7026036
A preliminary survey was conducted of the effects on the proton spin-lattice relaxation time T/sub 1/ resulting from the presence of controlled low levels of the Kramers ions Ce, Nd, Gd, Dy, and Er in YH/sub 2/ and LaH/sub 2.25/. This report presents the results for the case of Ce/sup 3 +/. The Ce ion behaves most differently from Gd/sup 3 +/, apparently because it is an extremely fast relaxing ion and because it has the smallest magnetic moment of all the rare-earths.
- Research Organization:
- Ames Lab., IA (USA); Warwick Univ., Coventry (UK). Dept. of Physics
- DOE Contract Number:
- W-7405-ENG-82
- OSTI ID:
- 7026036
- Report Number(s):
- IS-M-479; CONF-8404106-6; ON: DE84014127
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
BARYONS
CERIUM IONS
CHARGED PARTICLES
ELEMENTARY PARTICLES
FERMIONS
HADRONS
HYDRIDES
HYDROGEN COMPOUNDS
IONS
LANTHANUM COMPOUNDS
LANTHANUM HYDRIDES
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
NUCLEONS
PROTONS
RARE EARTH COMPOUNDS
RELAXATION
RESONANCE
SPIN-LATTICE RELAXATION
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM HYDRIDES
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
BARYONS
CERIUM IONS
CHARGED PARTICLES
ELEMENTARY PARTICLES
FERMIONS
HADRONS
HYDRIDES
HYDROGEN COMPOUNDS
IONS
LANTHANUM COMPOUNDS
LANTHANUM HYDRIDES
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
NUCLEONS
PROTONS
RARE EARTH COMPOUNDS
RELAXATION
RESONANCE
SPIN-LATTICE RELAXATION
TEMPERATURE DEPENDENCE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM HYDRIDES