Studies of high-Tc YBa2Cu3Oy SQUIDs

H. C. Yang, S. Y. Yang, H. E. Horng, H. W. Yu., J. H. Chen, J. T. Jeng, H. W. Lin

Research output: Contribution to journalArticlepeer-review

Abstract

The characteristics of high-Tc step-edge or bicrystal junctions and SQUIDs are examined. The IcRn product of junctions was found to be proportional to (jc)p with p ∼ 0.5 over several orders of magnitude in jc and at various temperatures. The V - φ and noise characteristics of SQUID were compared with the numerical expression of Enpuku et al. We demonstrate that 1/f noise can be induced with an applied external magnetic field. The microwave radiation reduces the modulation depth, Vpp, distorts the V - φ curve, and decreases the field sensitivity of SQUID magnetometers.

Original languageEnglish
Pages (from-to)322-329
Number of pages8
JournalChinese Journal of Physics
Volume38
Issue number2-2
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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