Charge and magnetic frustration investigated by neutron diffraction in Tb2NbScO7 pyrochlore.
The question of structural/charge disorder and its effect on the frustrated Tb pyrochlore ground state is investigated in the Tb2NbScO7 polycrystalline material. We propose a neutron diffraction experiment using a dilution insert to determine the nature of the magnetic ground state (long-range ordered or short-range correlations) stabilized below about 1 K as suggested by an anomaly of the magnetic susceptibility. This study should allow to better understand the Tb pyrochlore magnetic properties, in particular the not yet elucidated Tb2Ti2O7 ground state, and to unravel novel interplays between disorder, charge and spin correlations in this novel material.
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ALEXANIAN Yann; R. BALLOU; Claire V. Colin; DE BRION Sophie; LHOTEL Elsa and SIMONET Virginie. (2020). Charge and magnetic frustration investigated by neutron diffraction in Tb2NbScO7 pyrochlore.. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2717
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