BAND-TO-BAND TRANSITIONS AND CRITICAL POINTS IN THE NEAR-INFRARED TO VACUUM ULTRAVIOLET DIELECTRIC FUNCTIONS OF SINGLE CRYSTAL URANIA AND THORIA. Advanced Research & Development Journal, [S. l.], v. 2, n. 1, 2026. Disponível em: https://www.ardjournal.com/index.php/ard/article/view/72. Acesso em: 12 sep. 2026.