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Magnetic Doping Effects on the Superconductivity of Y1-xMxBa2Cu3O7-δ (M= Fe, Co, Ni)---- Ceramics International 47 (2021) 10635-10642

H Shakeripour, SS Hosseini, SS Ghotb, B Hadi-Sichani, S Pourasad

The discovery of superconductivity in copper oxide compounds has attracted considerable attention over the past three decades. The high transition temperature (Tc) in these compounds, exhibiting proximity to an antiferromagnetic order in their phase diagrams, remains one of the main areas of research. It is believed that magnetic fluctuations provide substance for the exotic superconductivity observed in these compounds. The present study attempts to introduce Fe, Co and Ni magnetic impurities into the superconducting cuprate YBa2Cu3O7-δ with the aim of exploring the Tc behavior. The solid-state synthesis method is exploited to prepare fully oxygenated Y1-xMxBa2Cu3O7-δ (Y1-xMx-123) (M = Co, Fe, Ni) samples with low levels of doping (0.00000 ≤ x ≤ 0.03000). Systematic measurements are then employed to assess the synthesized samples using AC magnetic susceptibility, electrical resistivity and X …

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