Resonant photoemission study of pyrite-type, and

A. Fujimori, K. Mamiya, T. Mizokawa, T. Miyadai

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Abstract

The electronic structure of pyrite-type (Formula presented), (Formula presented), and (Formula presented) has been studied by photoemission spectroscopy. From resonant photoemission studies and configuration-interaction cluster-model analysis of the spectra, (Formula presented) is found to be a charge-transfer-type insulator, the band gap of which is formed between the occupied S 3p and the empty Ni 3d states. Cluster-model calculations indicate that the short Fe-S distance favors the low-spin (S=0) ground state in (Formula presented) compared to the high-spin FeS. Resonant photoemission results indicate a sign of electron correlation in the nonmagnetic semiconductor (Formula presented).

Original languageEnglish
Pages (from-to)16329-16332
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume54
Issue number23
DOIs
Publication statusPublished - 1996 Jan 1

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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