H. Sudra, G. Gritzner, N. Hörhager, H. W. Weber:
"(Tl0,5Pb0,5)(Sr0,95Ba0,05)2(Ca0,8Gd0,2) Cu2Oz 1212 superconducting films on lanthanum aluminate";
Superconductor Science and Technology,
Superconducting films of (Tl0,5Pb0,5)(Sr0,95Ba0,05)2(Ca0,8Gd0,2)Cu2Oz 1212, approximately 3 µm in thickness, were fabricated on single-crystalline lanthanum aluminate. The films were practically phase pure and showed excellent in-plane and out-of-plane texture. Critical temperatures of up to 96 K were recorded. Critical current densities of the order of 40 MA m-2 at 77 K in self-field were measured both by transport and by magnetic studies. Magnetic measurements were made between 5 and 77 K. Microstructure studies were carried out to learn about the effects influencing the critical current density.
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