[Wien] Why the antiferromagnetic structure of Cr is still cubic

[ABDERRAHMANE REGGAD]

Dear wien2k users

I have read that the antiferromagnetic ordering is accompanied with a
little structural distortion as in the case of NiO. This latter is
characterized by a distortion from NaCl to rhomboherdral structure; but for
the chromide Cr the structure is still cubic when there is a magnetic
transition from paramagnetic to antiferromagnetic state.

Best regards
-- 
Mr: A.Reggad
Laboratoire de Génie Physique
Université Ibn Khaldoun - Tiaret
Algerie
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