Could anyone explain me why the transmission of MgO thin film prepared by spray pyrolysis method is more than 100 % in the range of [300-500 nm]?

I have synthesized magnesium oxide (MgO) thin film by spray pyrolysis method by varying the concentration of Mg (0.05, 0.1, 0.15 and 0.2 mol/l). the transmission spectra below shown a value more...

31 August 2022 6,834 2 View