Refractive indices of cubic-phase MgxZn1-xO thin-film alloys -: art. no. 023515

Refractive indices for cubic-phase MgxZn1-xO (0.55less than or equal toxless than or equal to1) thin-film alloys were determined from transmission measurements and Manifacier envelope method. The refractive index of cubic MgxZn1-xO decreases with the Mg fraction increase, such as at the wavelength of 400 nm the refractive index decreases from 1.89 to 1.73 as x increases from 0.57 to 1.0. The refractive index dispersion relation of cubic MgxZn1-xO in the visible-light region (400-800 nm) follows the first-order Sellmeier equation and decreases with the increase of Mg fraction. (C) 2005 American Institute of Physics.