Fig. 5

(Reprinted with permission from [52], Copyright 2009 Institute of Physics Publishing)
a 200 mg of BNNTs synthesized by the laser ablation method in a one production process. b TEM image of one-, three- and five-walled BNNTs.
(Reprinted with permission from [52], Copyright 2009 Institute of Physics Publishing)
a 200 mg of BNNTs synthesized by the laser ablation method in a one production process. b TEM image of one-, three- and five-walled BNNTs.