Electronic properties of FeSe 1xTe x probed by x-ray emission and absorption spectroscopy

L. Simonelli*, N. L. Saini, Y. Mizuguchi, Y. Takano, T. Mizokawa, G. Baldi, G. Monaco

*この研究の対応する著者

研究成果: Article査読

12 被引用数 (Scopus)

抄録

The electronic structure of FeSe 1xTe x chalcogenide superconductors has been studied by x-ray emission (XES) and x-ray absorption (XAS) as a function of Te substitution. The Fe Kβ XES spectra reveal a relatively low spin state for Fe in FeSe 1xTe x superconductors, persisting in the whole range of Te substitution. The Fe K-edge high-resolution XAS shows systematic spectral changes due to the evolving hybridization between the Fe 3d (4p) and chalcogen p (d) orbitals. The resonant inelastic x-ray scattering (RIXS) spectra hardly show any feature except the one due to charge transfer from occupied to unoccupied bands, that changes substantially from FeSe to FeTe. The results provide important information on the electronic states and their evolution in the FeSe 1xTe x chalcogenides.

本文言語English
論文番号415501
ジャーナルJournal of Physics Condensed Matter
24
41
DOI
出版ステータスPublished - 2012 10 17
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学

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