Research Article

Electronic and Magnetic Properties of Rare-Earth Metals Doped ZnO Monolayer

Figure 4

The spin charge density distribution of (a) Ce, (b) Eu, (c) Gd, and (d) Dy doped ZnO monolayers. The blue and green colors represent spin-up and spin-down values, respectively.
(a)
(b)
(c)
(d)