Probing g-factor anisotropy in CeB6 by neutron scattering
CeB6 is a HF metal characterized by the rich magnetic-field-temperature phase diagram. Sharp resonant mode was revealed below TN at the propagation wave vector of the AFQ phase, and a strong FM mode at the zone center was discovered later. We measured magnetic field dependence of the FM resonance with the field applied parallel to [1 1 0], [1 1 1], [1 1 2] and [001]. Branches have a very clear anisotropy with respect to the field direction. We observed the onset of the second branch for fields parallel to [110] above 12T. For the magnetic field along [001] the second resonance can be clearly resolved already above 4T. In order to measure full field dependence of the lower energy resonance, which we were unable to resolve with the 15T magnet at FLEXX, we did a separate experiment at 4F2. Surprisingly, results from different instruments show some discrepancy, especially evident for the second mode. By now we have accumulated a large amount of data that we are preparing to publish. In this proposal we would like to complement already available dataset for the magnetic field along [001] with the field dependence of the resonances using the 10T magnet at IN12 or Thales.
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PORTNICHENKO Pavlo; Dmytro Inosov; IVANOV Alexandre and NIKITIN Stanislav. (2019). Probing g-factor anisotropy in CeB6 by neutron scattering. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-01-1624
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