A DFT+U plus Anderson impurity model calculation for CeCo5 gives a magnetic anisotropy energy of 4.8 meV per formula unit that matches experiment and shows the importance of cerium valence fluctuations.
The spin moment on the Ce(1a) site is antiferromag- netically aligned with those on the Co(2c) and Co(3g) sublattices, in accordance with the Campbell model [32]
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Magnetic anisotropy and intermediate valence in CeCo$_5$ ferromagnet
A DFT+U plus Anderson impurity model calculation for CeCo5 gives a magnetic anisotropy energy of 4.8 meV per formula unit that matches experiment and shows the importance of cerium valence fluctuations.