La³⁺ Modulated Cu₀.₅Co₀.₅Fe₂₋ₓLaₓO₄ Spinel Ferrites: Structural, Magnetic, and Temperature-Dependent Dielectric Spectroscopy for Microwave Absorption and Dielectric Device Applications. Ianna Journal of Interdisciplinary Studies,ISSN(O):2735-9891,ISSN(P):2735-9883, [S. l.], v. 7, n. 2, p. 363–378, 2026. DOI: 10.84761/j047t187. Disponível em: https://unijisedu.com/index.php/ijis/article/view/238.. Acesso em: 9 jun. 2026.