Figure 7.

Configuration of Si-Si covalent bonds on different planes of monocrystalline silicon. (a) Si(100); (b) Si(110) and (c) Si(111). The dangling bonds were indicated by dotted lines. Some covalent bonds that inhibit on one atom are partly showed.

Yu and Qian Nanoscale Research Letters 2013 8:137   doi:10.1186/1556-276X-8-137
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