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Theory of charge and spin ordering in the nickelates - Physics ...

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Magnetic structures<br />

Ref<strong>in</strong>ements give no materials with<br />

momentless Ni sites<br />

material m1(µB) m2(µB) Reference<br />

Ho 1.4 0.6 PRB 64, 144417 (2001)<br />

Y 1.4 0.7 PRL 82, 3871 (1999)<br />

Eu 1.2 1.2 PRB 57, 456(1998)<br />

Sm 0.9 0.9* PRB 57, 456(1998)<br />

Nd 0.9 0.9* PRB 50, 978 (1994)<br />

Pr 0.9 0.9* PRB 50, 978 (1994)<br />

* observed <strong>charge</strong> order is <strong>in</strong>consistent with equal moments

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