Exploring Ground State Energies and Electronic Band Structures of Bi₂Se₃ and Bi₂Te₃ Topological Insulators: A First-Principles DFT Approach for Spintronic and Thermoelectric Applications. njap [Internet]. 2026 Jun. 25 [cited 2026 Jun. 26];2(2):102-9. Available from: https://njap.nipngr.org/index.php/njap/article/view/45