YBa₂Cu₃O_7-δ (or YBCO) superconductors added with various concentrations of dysprosium oxide nanoparticles (NP-Dy₂O₃) were prepared using the solid-state process. The additive NP-Dy₂O₃ has a size of about 10 nm and presents a para/ferromagnetic transition at about 300 K. The characterization of samples was probed via XRD, TEM, SEM, DC magnetization, and AC susceptibility measurements. Some models were employed to compute superconducting parameters like intragranular critical current density under a magnetic field (J_cm(H)), the density of intragranular pinning force for Abrikosov vortex (ε_g(0)), intergranular critical current density (J_c,inter), intergranular electrical character, superconductor grain volume fraction (f_s). The correlation between these parameters and microstructure was discussed. The inclusion of NP-Dy₂O₃ does not alter the structural properties and the spatial growth of YBa₂Cu₃O_7-δ. NP-Dy₂O₃ addition led to significant enhancements of J_cm(H) and ε_g(0). The decrement in J_c,inter was attributed to the change of grain boundary characteristics that transformed from SNS to SINS junction due to NP-Dy₂O₃ addition.

的YBa ₂的Cu ₃ ö _7-δ与各种浓度的镝氧化物纳米颗粒的加入（NP-镝（或YBCO）超导体₂ ö ₃使用固态法制备）。添加剂NP-Dy ₂ O ₃的尺寸约为10 nm，并在约300 K处呈现顺/铁磁跃迁。通过XRD，TEM，SEM，DC磁化强度和AC磁化率测量对样品进行表征。一些模型用来计算在磁场下超导参数，如晶内临界电流密度（j_厘米（H）），晶内的钉扎力阿布里科索夫涡流密度（ε_克（0）），晶间临界电流密度（J _c，inter），晶间电特性，超导体晶粒体积分数（f _s）。讨论了这些参数与微观结构之间的相关性。列入NP-的Dy ₂ ö ₃不改变结构特性和的YBa的空间生长₂的Cu ₃ ö _7-δ。NP-的Dy ₂ ö ₃除了导致至J的显著增强_厘米（H）和ε_克（0）。J _c，inter的减少归因于由于NP-Dy而从SNS转变为SINS结的晶界特征的变化₂ O ₃加成。