Figure 1.

Relaxed geometric structure of silicene and formation energies for different doping sites. Relaxed geometric structure of silicene from the top view (a) and the side view (b). The formation energies for different doping sites are also given in (c).

Zheng and Zhang Nanoscale Research Letters 2012 7:422   doi:10.1186/1556-276X-7-422
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