Evidence for unidirectional nematic bond ordering in FeSe

The presence of dxz−dyz orbital ordering is often considered a hallmark of the nematic phase of Fe-based superconductors, including FeSe, but the details of the order parameter remain controversial. Here, we report a high-resolution angle-resolved photoemission spectroscopy study of single crystals...

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Veröffentlicht in:	Physical review. B 2016-11, Vol.94 (20), Article 201107
Hauptverfasser:	Watson, M. D., Kim, T. K., Rhodes, L. C., Eschrig, M., Hoesch, M., Haghighirad, A. A., Coldea, A. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Broken symmetry Electronic structure Order parameters Photoelectric emission Single crystals Temperature dependence
Online-Zugang:	Volltext
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