Table 1.

Electophysical and microstructural characteristics of the 2G HTS tape samples with APC and reference sample.

APC dopant		Undoped sample	BaSnO3 sample	BaZrO3 sample
T c		93.3	91.9	91.0
Ic at 77 K (A/12 mm)		360	140	120
Density of APC	plan-view estimates (μm−2)	—	400 ± 100	500 ± 100
	cross-section estimates (μm−2)	—	600 ± 200	600 ± 200
cmAverage diameter of the nanocolumns	plan-view estimates (nm)	—	7.9 ± 3.3	7.1 ± 2.9
	cross-section estimates (nm)	—	8.5 ± 2.2	6.3 ± 1.3