Table 2: The XRD spectra of the ZnO samples, from ZnO-10 to ZnO-20, fitted by Gauss functions and represented by intensities, double diffraction angles, and FHWMs.

SampleIntensity (a.u.)2 (deg)FWHM (deg)

ZnO-10349.534.040.505
ZnO-12749.134.170.479
ZnO-15664.234.120.481
ZnO-20583.034.080.493