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Antiferromagnetic coupling interaction between

The formula for Fe304 may be written as Fe O -(Fe )2(0 )3, in which the Fe ions exist in both +2 and -1-3 valence states in the ratio of 1 2. A net spin magnetic moment exists for each Fe " and Fe " ion, which corresponds to 4 and 5 Bohr magnetons, respectively, for the two ion types. Furthermore, the 0 ions are magnetically neutral. There are antiparallel spin-coupling interactions between the Fe ions, similar in character to antiferromagnetism. However, the net ferrimagnetic moment arises from the incomplete cancellation of spin moments. [Pg.811]

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Antiferromagnet

Antiferromagnetic

Antiferromagnetic coupling

Antiferromagnetic interaction between

Antiferromagnetic interactions

Antiferromagnetically coupled

Antiferromagnetism

Antiferromagnetism antiferromagnetic coupling

Coupled interactions

Coupling interactions

Interacting coupling

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