Figure 4
From: First-Principle Study of the Optical Properties of Dilute-P GaN1−xPx Alloys
(a) Refractive index in the xy-direction (η xy (E)) and (b) z-direction (η z (E)) spectra for dilute-P GaNP alloys (solid lines), with P-content ranging from 0% up to 12.5% phosphorus, and experimentally fitted data (dashed lines), respectively.
