Article, Comparative assessment of exchange-correlation functionals for structural, electronic, and optical properties of rhombohedral Bi0.5Na0.5TiO3: Comparative assessment of exchange-correlation functionals for structural, electronic, and optical properties of rhombohedral Bi0.5Na0.5TiO3. JNA. 2026;2(3):38-53. doi:10.65273/hhit.jna.2026.2.3.047