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Pinning-force measurements in Bi2Sr2CaCu2O8+ y

✍ Scribed by Leonardo R.E. Cabral; D.A. Landinez Tellez; P.H. Kes; J. Albino Aguiar


Book ID
114227738
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
157 KB
Volume
177-181
Category
Article
ISSN
0304-8853

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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