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. 2015 Aug 7;5:12882. doi: 10.1038/srep12882

Figure 5. First principles calculation of GeV color center in diamond.

Figure 5

(a) Crystal structure of the GeV color center in diamond. The red sphere denotes a Ge atom. The small blue and pink spheres are carbon atoms. The atomic structure shown is for the negatively charged state. (b) Energy levels of the SiV and GeV color centers in diamond. The energy was calculated with respect to VBM of diamond.