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  1. Article

    Open Access

    Formation of As-As Interlayer Bonding in the collapsed tetragonal phase of NaFe2As2 under pressure

    NaFe2As2 is investigated experimentally using powder x-ray diffraction and Raman spectroscopy at pressures up to 23 GPa at room temperature and using ab-initio calculations. The results reveal a pressure-induced ...

    Elissaios Stavrou, **ao-Jia Chen, Artem R. Oganov, A. F. Wang… in Scientific Reports (2015)

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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

    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)