Structural, Optical and Dielectric Properties of Sm2NiMnO6 Double Perovskite Nanoparticles . Journal of International Academy of Physical Sciences, [S. l.], v. 30, n. 2, p. 117–134, 2026. Disponível em: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/1042. Acesso em: 23 oct. 2026.