SmBa₂NbO₆ Nanopowders, an Effective Percolation Network Medium for YBCO Superconductors

Figure 2

XRD patterns of (a) pure 100% YBCO, (b) 50% YBCO + 50% SBNO, (c) 70% YBCO + 30% SBNO, and (d) 100% SBNO.