What makes Fe, Co and Ni ferromagnetic compared to all other metals (with exception of Gd, Dy and some exotic alloys according to Wikipedia)? If other ferromagnetic metals just have lower Curie temperatures then why is it so?
Sub-question:
In pure metals is there any correlation in magnetic properties (paramagnetic/diamagnetic) vs number of electrons (odd/even) - analogously to N2 molecule with all electrons paired being diamagnetic, while O2 has unparied electrons and is paramagnetic.
Sub-question:
In pure metals is there any correlation in magnetic properties (paramagnetic/diamagnetic) vs number of electrons (odd/even) - analogously to N2 molecule with all electrons paired being diamagnetic, while O2 has unparied electrons and is paramagnetic.
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