Selective Growth of 𝜶-Al₂O₃ Nanowires and Nanobelts

Figure 2

FESEM images show alumina nanowires synthesized at 1300^°C under different argon gas flow rates. (a) 40 sccm, (b) 100 sccm, (c) 200 sccm, and (d) 600 sccm.

(a)

(b)

(c)

(d)