Dopant-site dependent properties of nitrogen and boron doped spherical nanodiamond particles from first-principle DFT simulationM. Kavosh Tehrani and M. Heidari SaaniEur. Phys. J. Appl. Phys., 55 1 (2011) 10402DOI: https://doi.org/10.1051/epjap/2011110022