THEORETICAL PREDICTION OF INSTABILITY AND HALF-METALLICITY IN THE NaCaO3 PEROVSKITE: A DFT APPROACH. The Transactions of the Nigerian Association of Mathematical Physics, [S. l.], v. 23, p. 69–76, 2026. DOI: 10.60787/tnamp.v23.626. Disponível em: https://nampjournals.org.ng/index.php/tnamp/article/view/626.. Acesso em: 9 jan. 2026.