Crystal fields in YbInNi4 determined with magnetic form factor and inelastic neutron scattering
2011
The magnetic form factor of YbInNi4 has been determined via the flipping ratios R with polarized neutron diffraction, and the scattering function S(Q,ω) was measured in an inelastic neutron scattering experiment. Both experiments were performed with the aim of determining the crystal-field scheme. The magnetic form factor clearly excludes the possibility of a Γ7 doublet as the ground state. The inelastic neutron data exhibit two almost equally strong peaks at 3.2 meV and 4.4 meV which points, in agreement with earlier neutron data, toward a Γ8 quartet ground state. Further possibilities such as a quasiquartet ground state are discussed. © 2011 American Physical Society.
Keywords:
- Quasielastic neutron scattering
- Small-angle neutron scattering
- Inelastic scattering
- Neutron time-of-flight scattering
- Dynamic structure factor
- Physics
- Neutron stimulated emission computed tomography
- Nuclear magnetic resonance
- Neutron magnetic moment
- Atomic physics
- Neutron scattering
- Inelastic neutron scattering
- Correction
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