Figure 1.

Total energy vs. magnetic moment per cell. For (a) Sn0.96Fe0.04O2, (b) Sn0.96Fe0.04O1.98(VO)0.02, (c) Sn0.96Co0.04O2, and (d) Sn0.96Co0.04O1.98(VO)0.02. The total energy of the high-spin ground state is set to zero.

Borges et al. Nanoscale Research Letters 2012 7:540   doi:10.1186/1556-276X-7-540
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