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. JNA 2026, 2 (1), 50-64. https://doi.org/10.65273/hhit.jna.2026.2.1.029.