Anisotropy and irreversibility line of iodine intercalated Bi 2Sr2CaCu2O8+δ single crystals

J. Ricketts, R. Puzniak, C. J. Liu, G. D. Gu, N. Koshizuka, H. Yamauchi

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A comparative study of the superconducting properties of pristine and stage 1 iodine intercalated Bi2Sr2CaCu2O 8+δ single crystals is presented. We find the anisotropy of the penetration depth to be significantly reduced after intercalation. Specifically, the penetration depth perpendicular to the CuO2 planes is dramatically decreased, by about 60%. Reducing the anisotropy improves the position of the irreversibility line in the low field region where pinning is weak. However, in high fields the position of the irreversibility line is depressed. This can be explained by the influence of strong flux pinning.

Original languageEnglish
Pages (from-to)3284-3286
Number of pages3
JournalApplied Physics Letters
Issue number25
Publication statusPublished - 1994 Dec 1


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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