High quality step-edge substrates for high- Tc superconducting devices

C. H. Wu, M. J. Chen, J. C. Chen, K. L. Chen, H. C. Yang, M. S. Hsu, T. S. Lai, Y. S. Tsai, H. E. Horng, J. H. Chen, J. T. Jeng

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    10 引文 斯高帕斯(Scopus)

    摘要

    Despite the significant progress in fabrication methods of step edge, the lack of reproducibility still hinders their use in more complicated systems. To pursue the high reproducibility and quality of step edge for high- Tc superconducting devices, we have developed the technique to fabricate high quality step-edge substrates with arbitrary step angles. We used two steps to improve the step ramp quality substantially. The surface microscopy of step substrates shows high uniformity with respect to any step angle. There are no needles, waves, trenches, cascades, or other flaws on these surfaces. Serial Josephson junctions and superconducting quantum interference device arrays were fabricated onto step-edge substrates. The step-edge devices exhibit excellent results.

    原文英語
    文章編號033901
    期刊Review of Scientific Instruments
    77
    發行號3
    DOIs
    出版狀態已發佈 - 2006 三月

    ASJC Scopus subject areas

    • Instrumentation

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