Optimization Study on Supercritical Electrodeposition of Nickel Nanowire Arrays Using AAO Template

Table 1

The actual and code levels of the variables.

Variables	Code level
	−1	0	+1
𝑋1: current density (A/cm^2)	0.1	0.3	0.5
𝑋2: pressure (bar)	75	100	125
𝑋3: temperature (°C)	45	55	65