2026. Article, First-principles investigation of structural, electronic and optical properties of rhombohedral Na0.5Bi0.5TiO3: First-principles investigation of structural, electronic and optical properties of rhombohedral Na0.5Bi0.5TiO3. Journal of Nanomaterials and Applications (JNA). 2, 1 (Mar. 2026), 50–64. DOI:https://doi.org/10.65273/hhit.jna.2026.2.1.029.