Table 1
Changes of the atomic structure of V-doped diamond
Type of diamond film	Bond length (Å)	Bond angle (degrees)
Undoped	1.544, 1.544, and 1.544	109.5, 109.5, and 109.5
V-doped	1.804, 1.804, and 1.804	110.2, 110.2, and 110.2

Zhang et al. Nanoscale Research Letters 2012 7:441   doi:10.1186/1556-276X-7-441