Superconducting product has nontexturized substrate layer that consists of nickel-base alloy (with alloying addition content no less than 20% mass, except molybdenum and manganese). First buffer layer is applied on the substrate layer, and then HTS layer on it.
Source: U.S. Patent No. US7879763 (2011-02-01) (Superconductor Week Vol. 25, No. 5 (April 17, 2011).