Published in
American Physical Society, Physical review B, 23(92)
DOI: 10.1103/physrevb.92.235138
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Experimental Observation of Incoherent-Coherent Crossover and Orbital Dependent Band Renormalization in Iron Chalcogenide Superconductors
Journal article published in 2015 by
Zhongkai K. Liu,
Ming Yi,
Yan Zhang,
Jin Hu 
,
Rong Yu,
Jianxin-X. Zhu ,
Ruihua-H. He,
Yulin L. Chen,
Makoto Hashimoto,
Rob G. Moore,
Sungkwan-K. Mo ,
Zahid Hussain,
Qimiao Si,
Zhiqiang Q. Mao,
Donghui H. Lu
and other authors.
,
Rong Yu,
Jianxin-X. Zhu ,
Ruihua-H. He,
Yulin L. Chen,
Makoto Hashimoto,
Rob G. Moore,
Sungkwan-K. Mo ,
Zahid Hussain,
Qimiao Si,
Zhiqiang Q. Mao,
Donghui H. Lu
and other authors.
This paper is made freely available by the publisher.
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Abstract
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