Effects of oxygen content on the penetration depth of pulsed laser deposited YBCO thin films

M. C. Hsieh*, Tseung-Yuen Tseng, S. M. Wei, C. M. Fu, Kaung-Hsiung Wu, Jenh-Yih Juang, T. M. Uen, Y. S. Gou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

By systematically varying the oxygen content of microstrip line resonators made of pulsed laser deposited YBa2Cu3O7-x films, the effect of oxygen deficiency on the effective penetration depth were studied. By using the two-fluid model, the zero-temperature penetration depths for the fully oxygenated (i.e. O=7) and oxygen deficient (0=6.8) states in the same strip are found to be 483.2 nm and 789.8 nm, respectively. The large values obtained are attributed to the granular nature of the YBCO films used. The correlation between the penetration depths and superconducting carrier densities as functions of the oxygen content are also discussed.

Original languageEnglish
Pages (from-to)606-610
Number of pages5
JournalChinese Journal of Physics
Volume34
Issue number2S
StatePublished - 1 Apr 1996

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