Electrical Transport and Lowered Percolation Threshold in YBa₂Cu₃O_7−δ-Nano-YBa₂ZrO_5.5 Composites

Table 1

Sintering temperature, density, and electric transport data of different YBCO-nano-YBZO composites.

Vol.% of YBCO	Vol.% of YBZO	Sintering temp. (°C)	Density (gm cm^−3)	(K)	Self-field (×10^4 A/cm^2)
100	0	975	5.35	92	1.47
90	10	983	5.57	92	0.88
80	20	990	5.66	90.5	0.26
70	30	1000	5.75	89	0.09
50	50	1015	5.84	82	—
30	70	1120	5.88	—	—
20	80	1230	6.03	—	—
10	90	1370	6.15	—	—
0	100	1500	6.27	—	—