Livinus , Okoli Nonso, Udechukwu Ifeanyi . Eric, and Okpaneje Onyinye Theresa. “ Effect of Deposition Time on Optical and Solid State Properties of Chemically Deposited Iron Copper Sulphide (FeCuS) Ternary Thin Films ”. African Journal of Education,Science and Technology (AJEST) 3, no. 1 (January 9, 2016): Pg 71–80. Accessed May 15, 2026. https://ajest.org/index.php/ajest/article/view/215.