Le MT, Le VL, Nguyen TG, Dinh VH. Enhancement of Magnetoelectric Effect in Compositionally Graded Ferroelectric/Ferromagnetic Pb(1−x)SrxTiO3/CoFe2O4 Nanocomposites. ETSD [Internet]. 2021 Jul. 15 [cited 2025 Sep. 9];31(3):63-9. Available from: https://dev.vojs.vn/index.php/etsd/article/view/236