Isber, Samih; Basma, Hadi; Noureldeen, S.; Barakat, Mai M.E.; Roumié, Mohamad; Awad, Ramadan
(Springer New York LLC, 2017)
(ZnFe2O4)xGdBa2Cu3O7−δ superconducting samples, 0 ≤ x ≤ 0.40 wt%, were synthesized using a conventional solid-state reaction technique. The prepared samples were investigated using electron paramagnetic resonance (EPR) ...