Preston Sorensen, Alyssa Mock, Megan Stokey, Ufuk Kilic, Akhil Mauze, Yuewei Zhang, James Speck, Zbigniew Galazka, Vanya Darakchieva, Mathias Schubert. "Evolution of the below-bandgap anisotropic refractive indices and dielectric functions of β-(Al
                    <i>x</i>
                    Ga1
                    <b>−</b>
                    <i>x</i>
                    )2O3 (0
                    <b>&amp;lt;</b>
                    x
                    <b>&amp;lt;</b>
                    0.25) determined by generalized spectroscopic ellipsometry." Applied Physics Letters, 2026. doi:10.1063/5.0320403