abstract |
A thin layer (14) of a high temperature superconductive compound has the formula M1-xCuO2-y, where M is Ca, Sr, or Ba, or their combinations, x is between 0.05 and 0.3 , and x> y. This thin layer has a Tc (zero resistivity) of around 40 K. Also described is a process for producing this thin superconductive layer. |