Figure 1

(a) SEM image of RLBN. (b) High magnification SEM image. (c,d) Typical TEM images of RLBN. (e,f) HRTEM image of the RLBN. The layer distance is about 0.337 nm. Inset (f) is the corresponding SAED pattern.

(a) SEM image of RLBN. (b) High magnification SEM image. (c,d) Typical TEM images of RLBN. (e,f) HRTEM image of the RLBN. The layer distance is about 0.337 nm. Inset (f) is the corresponding SAED pattern.