Electronic Structure of Strongly Correlated Systems

Figure 30

(a) In-line charge ordering of V⁴⁺ ions. (b) Zig-zag charge ordering of V⁴⁺ ions [245]. Big balls: V⁴⁺ spinup, big circles: V⁴⁺ spindown, and small balls and circles: V⁵⁺. The nominally V⁵⁺ ions inherit a small spin moment from their V⁴⁺ partners in the same rung; see text.

(a)

(b)