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Suppression of electronic correlations by chemical pressure from FeSe to FeS

Abstract:

Iron-based chalcogenides are complex superconducting systems in which orbitally-dependent electronic correlations play an important role. Here, using high-resolution angle-resolved photoemission spectroscopy, we investigate the effect of these electronic correlations outside the nematic phase in the tetragonal phase of superconducting FeSe1-xSx (x = 0; 0:18; 1). With increasing sulfur substitution, the Fermi velocities increase significantly and the band renormalizations are suppressed toward...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Inorganic Chemistry
Role:
Author
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Name:
Engineering and Physical Sciences Research Council
Grant:
EP/I004475/1
Publisher:
American Physical Society
Journal:
Physical Review B More from this journal
Volume:
96
Pages:
121103(R)
Publication date:
2017-09-05
Acceptance date:
2017-08-15
DOI:
Keywords:
Pubs id:
pubs:698583
UUID:
uuid:1a8cc000-eae6-4cd0-834d-f424182ef1a3
Local pid:
pubs:698583
Source identifiers:
698583
Deposit date:
2017-07-19

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