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Melt processing of alkali element doped Bi2Sr2CaCu2O8

✍ Scribed by S.X. Dou; H.K. Liu; W.M. Wu; W.X. Wang; C.C. Sorell; R. Winn; N. Savvides


Book ID
108024758
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
562 KB
Volume
172
Category
Article
ISSN
0921-4534

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Pinning model derived from resistive mea
✍ H.W. NeumΓΌller; G. Ries πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 English βš– 907 KB

On melt processed samples of the 86 K superconductor Bi2Sr2CaCuzOs we have performed resistive measurements in the low field limit B<O. 13 T and 40 KG TG 77 K. The voltage drop is found to rise exponentially with current Eacexpj/j,, which is interpreted in terms of thermal activation of pinned flux