Research Article

Effect of Nitrogen Impurity on Electronic Properties of Boron Nanotubes

Figure 2

The ball and stick model of two atoms of nitrogen doped for (a) armchair (3,3), (b) zigzag (5,0), and (c) chiral boron nanotubes. The encircled blue atoms are of nitrogen while the brown are of boron.
706218.fig.002a
(a)
706218.fig.002b
(b)
706218.fig.002c
(c)