The noise characteristics of YBCO films with strong pinning

I. A. Khrebtov*, A. D. Tkachenko, K. V. Ivanov, B. Dam, F. E. Klaassen, J. M. Huijbregtse

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Abstract

The noise characteristics of YBa2Cu3O7-x films prepared by the laser ablation technique on SrTiO3 substrates were studied. The epitaxial YBCO films possess a perfect structure and are characterized by a narrow superconducting transition, strong pinning, and a very small flicker noise. In the normal state, the 1/f noise increases with the dislocation density. The minimum noise level with a Hooge parameter of (2-3) × 10-6 was observed at a disc location density of 8-12 μm-2.

Original languageEnglish
Pages (from-to)1078-1080
Number of pages3
JournalTechnical Physics Letters
Volume26
Issue number12
DOIs
Publication statusPublished - Dec 2000

Bibliographical note

Funding Information:
Acknowledgments. The work was supported by the Russian Federal Program “Superconductivity” (project no. 98031) and by the FOM Program (Netherlands).

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