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Showing 1–3 of 3 results
Advanced filters: Author: Han-Yong Choi Clear advanced filters

  • According to conventional wisdom, angle-resolved photoemission spectroscopy (ARPES) can only measure the magnitude of the superconducting gap but not its phase. Here, the authors propose a new method to directly detect the superconducting gap phase using ARPES and validate this technique on a cuprate superconductor.

    • Qiang Gao
    • Jin Mo Bok
    • X. J. Zhou
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • The significance of our results is related to “the quantum breakdown of superconductivity (QBS) and the role of superconducting islands in disordered superconducting systems”. Study on the QBS uses a reverse, comprehensive approach to the appearance of superconductivity, which is of utmost importance not only to understanding the superconducting phase but also to practical applications of superconductors. However, the mechanism underlying the transition to the nonzero resistive state deep in the superconducting state is still under debate. In this work, we have successfully achieved the field-induced QBS in disordred MgB2 thin films via a unique technique of low-energy ion irradiation.

    • Soon-Gil Jung
    • Jung Min Lee
    • Tuson Park
    ResearchOpen Access
    NPG Asia Materials
    Volume: 13, P: 1-8