Structural Chirality and Natural Optical Activity across the $\hat{I}\pm$-to-${\hat{I}}^2$ Phase Transition in SiO${}_2$ and AlPO${}_4$ from first-principles

F. Gómez-Ortiz, A. Zabalo, A. M. Glazer +3

Natural optical activity (NOA), the ability of a material to rotate the plane of polarized light, has traditionally been associated with structural chirality. However, this relatio…