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cond-mat.str-el2019
Cage multipoles in rare-earth hexaborides
Mehdi Amara, Rose-Marie Galera
In rare-earth cage compounds, the guest 4f ion cannot be considered as fixed at the centre of its cage. As result of the electronic degeneracy of the 4f shell, single-ion or collec…
cond-mat.str-el2019★ 2 cited
Retrieving CeB's lost magnetic entropy
Mehdi Amara, Christine Opagiste, Rose-Marie Galera
The reported temperature variations of CeB6 s magnetic entropy are inconsistent with the fourfold degeneracy of the crystal field ground state. This old question is here addressed…