Crystalline electric field of the bromo-elpasolites Cs{sub 2}NaRBr{sub 6} (R=rare earth) determined by inelastic neutron scattering

Journal Article · Mon Dec 01 00:00:00 EST 1997 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.56.15062· OSTI ID:554365

Furrer, A ^[1]; Guedel, H ^[2]

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1. Laboratorium fuer Neutronenstreuung, Eidgenoessische Technische Hochschule Zuerich and Paul Scherrer Institut, CH-5232 Villigen PSI (Switzerland)
2. Institut fuer Anorganische Chemie, Universitaet Bern, Freiestrasse 3, CH-3000 Bern 9 (Switzerland)

The rare-earth based bromo-elpasolites Cs{sub 2}NaRBr{sub 6} (R=Ce, Pr, Nd, Tb, Dy, Ho, Er, Tm, Yb) were synthesized and subsequently studied by inelastic neutron scattering. Energy splittings within the electronic ground-state J multiplet due to the crystalline electric field (CEF) interaction at the R{sup 3+} site were directly observed and rationalized in terms of CEF parameters of cubic symmetry. For some CEF transitions we have been able to resolve the splitting due to the tetragonal distortion. The resulting CEF parameters are discussed and used to predict some properties of the long-range magnetic ordering at low temperatures. {copyright} {ital 1997} {ital The American Physical Society}

• OSTI ID: 554365
• Journal Information: Physical Review, B: Condensed Matter, Vol. 56, Issue 23; Other Information: PBD: Dec 1997
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
RARE EARTH COMPOUNDS
CRYSTAL FIELD
MAGNETIC PROPERTIES
NEUTRON DIFFRACTION
INELASTIC SCATTERING
MINERALS
BROMIDES
CESIUM COMPOUNDS
SODIUM COMPOUNDS