Research Article

Fabrication of a Miniature Zinc Aluminum Oxide Nanowire Array Gas Sensor and Application for Environmental Monitoring

Figure 2

SEM images: (a) a porous alumina membrane with an ordering pore diameter of 80 nm and (b) zinc aluminum nanowire arrays fabricated in the alumina nanomold by the vacuum die casting process.
515268.fig.002a
(a)
515268.fig.002b
(b)