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Non-logarithmic magnetic relaxation in Bi2.2Sr1.7CaCu2O8 single crystals; evidence for collective flux pinning

✍ Scribed by P. Svedlindh; C. Rossel; K. Niskanen; P. Norling; P. Nordblad; L. Lundgren; G.V. Chandrashekhar

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
752 KB
Volume
176
Category
Article
ISSN
0921-4534

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Magnetic irreversibility and flux pinnin
Magnetic irreversibility and flux pinning in single crystalline Bi2Sr2Ca1Cu2O8+y
✍ C. Quitmann; U. Ebels; P.C. Splittgerber - HΓΌnnekes; G. GΓΌntherodt πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 332 KB

We have investigated the magnetic flux-pinning properties of Bi2Sr2CalCu208+Y single crystals using magnetic DC-susceptibility. At low fields (H < 300) the behavior of T\*, the irreversibility temperature, is comparable to other high temperature superconductors. Here we find a power law (1-T\* ITcJ