Research Article

Zinc Nanoparticles at Intercrystallite Sites of (Cu0.5Tl0.5)Ba2Ca3Cu4O12−δ Superconductor

Figure 5

Temperature dependence of dc-resistivity measurements of /CuTl-1234 composites with = 0, 0.6, 1.2, 1.8, 2.4, and 3.0 wt.%.