Field dependence of J(c) for melt textured filamentary (Nd, Sm, Eu, Gd)-Ba-Cu-O superconductors

We have synthesized the filamentary LRE (LRE=Nd, Sm, Eu, Gd)123 superconduc tors by solution spinning and melt growth process in flowing 1%O-2+Ar (OCMG ). The effect of heating condition for oxygenation on the field dependence of Je at 77K of the filamentary (Nd, Sm, Eu, Gd)123 superconductors was exa mined. High Je value of 6100 A/cm(2) at 77 K and 9 T was measured by contro lling the heating condition. The T-c of the sample was 95 K with DeltaT(c)= 1.5 K. The pinning properties of the sample were examined by extended analy sis of volume pinning force and it was found that Delta kappa -point pinnin g was dominant in this case.