Experimental electronic structure and Fermi-surface instability of the correlated 3d sulphide BaV S3: High-resolution angle-resolved photoemission spectroscopy

S. Mitrovic, P. Fazekas, C. Søndergaard, D. Ariosa, N. Barišić, H. Berger, D. Cloëtta, L. Forró, H. Höchst, I. Kupčić, D. Pavuna, G. Margaritondo

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Abstract

The correlated 3d sulphide BaV S3 exhibits an interesting coexistence of one-dimensional and three-dimensional properties. Our experiments determine the electronic band structure and shed light on this puzzle. High-resolution angle-resolved photoemission measurements in a 4-eV -wide range below the Fermi energy level uncover and investigate the coexistence of a1g wide-band and eg narrow-band d electrons, which lead to the complicated electronic properties of this material. We explore the effects of strong correlations and the Fermi surface instability associated with the metal-insulator transition.

Original languageEnglish
Article number153103
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume75
Issue number15
DOIs
Publication statusPublished - Apr 19 2007

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Mitrovic, S., Fazekas, P., Søndergaard, C., Ariosa, D., Barišić, N., Berger, H., Cloëtta, D., Forró, L., Höchst, H., Kupčić, I., Pavuna, D., & Margaritondo, G. (2007). Experimental electronic structure and Fermi-surface instability of the correlated 3d sulphide BaV S3: High-resolution angle-resolved photoemission spectroscopy. Physical Review B - Condensed Matter and Materials Physics, 75(15), [153103]. https://doi.org/10.1103/PhysRevB.75.153103