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Crystalline electric field of Ce in trigonal symmetry: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>CeIr</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi>Ge</mml:mi><mml:mn>7</mml:mn></mml:msub></mml:mrow></mml:math> as a model case
The crystalline electric field (CEF) of ${\mathrm{Ce}}^{3+}$ in trigonal symmetry has recently become of some relevance, for instance, in the search of frustrated magnetic systems. Fortunately, it is one of the CEF cases in which a manageable analytic solution can be obtained. Here, we present this solution for the general …