Electrohydrodynamic Processing of p-Type Transparent Conducting Oxides

Table 2

Roughness evolution observed by AFM from undoped and codoped ZnO samples.

Sample detail	Average roughness (nm)	RMS roughness (nm)	Skewness
Undoped ZnO	9.1591	11.5280	0.3712
3% Li-doped ZnO	5.3446	6.5457	−0.2644
3% Al-doped ZnO	33.6361	41.592	−0.1874
3-3% Al-Li codoped ZnO	13.6971	16.7416	0.0468