Characteristics of ybco squids with step-edge and biepitaxial grain boundaries

S. Y. Yang*, C. H. Chen, H. E. Horng, W. L. Lee, H. C. Yang


研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)


Some characteristics of YBCO SQUIDs with stepedge and biepitaxial grain boundaries were investigated. V-I curves of the step-edge SQUIDs can be described by the RSJlikc model with a linear relationship between the critical, current Ic and temperature T, whereas the typical IC-T curve for the biepitaxial SQUIDs concaved upward at temperatures near the critical temperature. The V-I curves of both kinds of the stepedge and the biepitaxial SQUIDs under microwave irradiation revealed integral Shapiro steps. Furthermore, the voltages of the step-edge SQUIDs were well modulated by the applied magnetic field. And also, the typical Fraunhofer diffraction of the lc-t> curve was observed for the single junction in the step-edge SQUIDs. On the other hand, the magnetic field modulated voltage oscillation was also found for the biepitaxial SQUIDs. All the details will be discussed in this report.

頁(從 - 到)3121-3124
期刊IEEE Transactions on Applied Superconductivity
發行號2 PART 3
出版狀態已發佈 - 1999

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學
  • 電氣與電子工程


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