2026. Exploring Ground State Energies and Electronic Band Structures of Bi₂Se₃ and Bi₂Te₃ Topological Insulators: A First-Principles DFT Approach for Spintronic and Thermoelectric Applications. Nigerian Journal of Applied Physics. 2, 2 (Jun. 2026), 102–109. DOI:https://doi.org/10.62292/njap-v2i2-2026-45.