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Application of selective leaching in fabrication of thin film YBCO devices

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3 Author(s)
James, P.M. ; Wisconsin Univ., Madison, WI, USA ; O'Callaghan, J.M. ; Ellis, A.B.

Ethylenediamine solutions have been shown to turn bulk YBCO into insulating materials. The effect of these solutions on thin YBCO films is studied. In both unpatterned and patterned films, a smooth decrease in critical currents, a transition to normal state, and a subsequent gradual increase in resistance are observed as a function of exposure time to the solution. It is noted that these characteristics might make this process desirable for weak-link and on-film resistor fabrication.<>

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:3 ,  Issue: 1 )