First-principles Computation of Cubic CsGeF3 Perovskite’s Structural,  Elastic, and Mechanical Properties. LJSIR [Internet]. 22 avr. 2026 [cité 2 juin 2026];4(1):198-205. Disponible sur: https://www.lafiascijournals.org.ng/index.php/ljsir/article/view/806