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  1. Article

    Open Access

    Unusual competition of superconductivity and charge-density-wave state in a compressed topological kagome metal

    Understanding the competition between superconductivity and other ordered states (such as antiferromagnetic or charge-density-wave (CDW) state) is a central issue in condensed matter physics. The recently disc...

    F. H. Yu, D. H. Ma, W. Z. Zhuo, S. Q. Liu, X. K. Wen, B. Lei… in Nature Communications (2021)

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  2. Article

    Open Access

    Electronic and magnetic phase diagram in KxFe2-ySe2 superconductors

    The correlation and competition between antiferromagnetism and superconductivity are one of the most fundamental issues in high temperature superconductors. Superconductivity in high temperature cuprate superc...

    Y. J. Yan, M. Zhang, A. F. Wang, J. J. Ying, Z. Y. Li, W. Qin… in Scientific Reports (2012)

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  3. No Access

    Article

    Superconductivity at 5 K in alkali-metal-doped phenanthrene

    Organic superconductors have π-molecular orbitals, from which electrons can become delocalized, giving rise to metallic conductivity due to orbital overlap between adjacent molecules. Here we report the discovery...

    X.F. Wang, R.H. Liu, Z. Gui, Y.L. **e, Y.J. Yan, J.J. Ying… in Nature Communications (2011)

  4. No Access

    Article

    Nodeless superconducting gap in AxFe2Se2 (A=K,Cs) revealed by angle-resolved photoemission spectroscopy

    Knowledge of the symmetry of the superconducting order parameter is essential to understand the origin of superconductivity itself. Studies on the recently discovered heavily doped Fe2Se2 now show that in these c...

    Y. Zhang, L. X. Yang, M. Xu, Z. R. Ye, F. Chen, C. He, H. C. Xu… in Nature Materials (2011)

  5. No Access

    Article

    A large iron isotope effect in SmFeAsO1 - xF x and Ba1 - xK x Fe2As2

    The recent discovery of superconductivity in iron-based oxypnictides with the critical transition temperature (TC) higher than 39 K has generated great excitement. Work to determine the origin of the superconduct...

    R. H. Liu, T. Wu, G. Wu, H. Chen, X. F. Wang, Y. L. **e, J. J. Ying, Y. J. Yan… in Nature (2009)