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

Table 1

Al content, surface tension, and critical force to form nanowire of zinc-aluminum alloys prepared in this study.

Material	Aluminum content (wt.%)	Surface tension at 750°C (dyne/cm)	Critical force to form nanowire (dyne)	Alloy oxide
Zn-Al alloy1	2%	726.17	3.01×10^8	ZnAlO 1
Zn-Al alloy2	5%	735.23	2.96×10^8	ZnAlO 2
Zn-Al alloy3	10%	748.82	2.92×10^8	ZnAlO 3