Air cleaners 1 Annealing 1 Annealing temperatures 1 Atomic force microscopy 1 Effect of annealing 1 Electronic equipment 1 Field emission devices 1 Field emission displays 1 Hydrogen atmosphere 1 Hydrogen flow rate Magnetron sputtering 1 Metallic films 1 Nanostructured Films 1 Nitrogen 1 Nitrogen removal 1 Opacity 1 Optical films 1 Substrates 1 Surface treatment 1 Thermoelectric equipment 1 Thin films 1 X ray diffraction analysis 1 X-ray diffraction analyses (XRD) 1 Zinc oxide 1 rf-Magnetron sputtering 1