Quasielastic magnetic response in CeB6 and Ce0.72La0.28B6
We propose to study the momentum and temperature dependence of the quasielastic magnetic response in CeB6 and Ce0.72La0.28B6. In a number of previous experiments performed at the ILL, we have demonstrated that an intense quasielastic signal with a rich momentum-space structure persists above T_N up to room temperature. Its temperature scaling has been studied previously only on polycrystalline samples. Here we would like to verify if the momentum dependence of the quasielastic line width persists in the normal state or is only a property of the hidden-order phase. We also will measure a doped compound with 28% La concentration, which corresponds to the quantum critical point at which the AFM order is fully suppressed. This will let us study the influence of La concentration on the quasielastic line width and its T-dependence.
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Dmytro Inosov; CAMERON Alistair; IVANOV Alexandre; PORTNICHENKO Pavlo and Maksym Surmach. (2014). Quasielastic magnetic response in CeB6 and Ce0.72La0.28B6. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-01-1339
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