Investigation of the Physical Properties of Yb³⁺ Doped ZnFe₂O₄ Nanopowders Synthesized by Sol-Gel Method. East Eur. J. Phys. [Internet]. 2026 Mar. 14 [cited 2026 Oct. 23];(1):247-55. Available from: https://periodicals.karazin.ua/eejp/article/view/26734