Ionic Character, Phase Transitions, and Metallization in Alkaline-Earth Metal Oxides and Chalcogenides under Pressure. Ukr. J. Phys. [Internet]. 2020 Nov. 12 [cited 2026 Sep. 10];65(11):1022. Available from: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019375