Selective Growth of 𝜶-Al₂O₃ Nanowires and Nanobelts

Figure 4

FESEM images show alumina nanobelts obtained at 1300^°C under different argon gas flow rates. (a) 40 sccm, (b) 150 sccm, (c) 350 sccm, and (d) 600 sccm.

(a)

(b)

(c)

(d)