Abstract:The complicated current-voltage (flux flow) curves obtained from type 11 superconductors which show the peak effect are compared to the stress-strain curves of crystalline materials in which plastic flow a t low stresses is prevented by pinning of dislocations. It is suggested that the unstable step in the current-voltage characteristic is the result of "yield" and subsequent shearing of the fluxon lattice by dislocation motion.Die komplizierten Strom-Spannungs-(StromfluB-)Kurven, die an Typ-11-Supraleitern er… Show more
“…Pinning centres can, therefore, be expected to interact with defects with about twice the force that they exert on a single vortex in the perfect lattice. Chang et al (1969) appear to be the ®rst to have interpreted voltage current characteristics in terms of yield and dislocation motion in the vortex lattice.…”
“…Pinning centres can, therefore, be expected to interact with defects with about twice the force that they exert on a single vortex in the perfect lattice. Chang et al (1969) appear to be the ®rst to have interpreted voltage current characteristics in terms of yield and dislocation motion in the vortex lattice.…”
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