5-16

Fig.5-16 Neutron-transmission spectrum of single-crystal nickel oxide

The blue circle () shows the dip caused by an atomic arrangement. The dips indicated by red arrows () cannot be explained by the atomic arrangement, but are attributed to the anti-ferromagnetic-spin arrangement. The inset on upper right illustrates the anti-ferromagnetic spin arrangement in nickel oxide. Red () and blue () triangles represent upward and downward spins, respectively.

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