Browsing by Author "Zhu, J.-X."

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    Experimental observation of incoherent-coherent crossover and orbital-dependent band renormalization in iron chalcogenide superconductors
    (American Physical Society, 2015) Liu, Z.K.; Yi, M.; Zhang, Y.; Hu, J.; Yu, R.; Zhu, J.-X.; He, R.-H.; Chen, Y.L.; Hashimoto, M.; Moore, R.G.; Mo, S.-K.; Hussain, Z.; Si, Q.; Mao, Z.Q.; Lu, D.H.; Shen, Z.-X.
    The level of electronic correlation has been one of the key questions in understanding the nature of superconductivity. Among the iron-based superconductors, the iron chalcogenide family exhibits the strongest electron correlations. To gauge the correlation strength, we performed a systematic angle-resolved photoemission spectroscopy study on the iron chalcogenide series Fe1+ySexTe1−x (0