Structural, electronic and optical properties of theFeAs(1-x)La(x) ternary alloys: a first principles calculations. J. Nig. Soc. Phys. Sci. [Internet]. 2026 Feb. 1 [cited 2025 Nov. 6];8(1). Available from: https://journal.nsps.org.ng/index.php/jnsps/article/view/2921