Weak link behavior of grain boundaries in Nd-, Bi-, and Tl-based cuprate superconductors

Kawasaki, M.; Sarnelli, E.; Choudhari, P.; Gupta, A.; Kussmaul, A.; Lacey, J.; Lee, W.
January 1993
Applied Physics Letters;1/25/1993, Vol. 62 Issue 4, p417
Academic Journal
Examines the grain boundaries in neodymium, bismuth and thallium-based cuprate superconductors. Determination of grain boundary critical current; Observation of voltage oscillations with external magnetic field; Suppression of superconducting gap at the boundary.


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