Experimental Electronic Structure and Interband Nesting in BaVS_3

S. Mitrovic; P. Fazekas; C. Sondergaard; D. Ariosa; N. Barisic; H. Berger; D. Cloetta; L. Forro; H. Hochst; I. Kupcic; D. Pavuna; G. Margaritondo

doi:10.1103/PhysRevB.75.153103

Experimental Electronic Structure and Interband Nesting in BaVS_3

Strongly Correlated Electrons 2015-06-25 v1

Authors: S. Mitrovic , P. Fazekas , C. Sondergaard , D. Ariosa , N. Barisic , H. Berger , D. Cloetta , L. Forro , H. Hochst , I. Kupcic , D. Pavuna , G. Margaritondo

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Abstract

The correlated 3d sulphide BaVS_3 is a most interesting compound because of the apparent coexistence of one-dimensional and three-dimensional properties. Our experiments explain this puzzle and shed new light on its electronic structure. High-resolution angle-resolved photoemission measurements in a 4eV wide range below the Fermi level explored the coexistence of weakly correlated a_1g wide-band and strongly correlated e_g narrow-band d-electrons that is responsible for the complicated behavior of this material. The most relevant result is the evidence for a_1g--e_g inter-band nesting condition.

Keywords

electronic structure electronic structure of materials angle-resolved photoemission spectroscopy

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@article{arxiv.cond-mat/0502144,
  title  = {Experimental Electronic Structure and Interband Nesting in BaVS_3},
  author = {S. Mitrovic and P. Fazekas and C. Sondergaard and D. Ariosa and N. Barisic and H. Berger and D. Cloetta and L. Forro and H. Hochst and I. Kupcic and D. Pavuna and G. Margaritondo},
  journal= {arXiv preprint arXiv:cond-mat/0502144},
  year   = {2015}
}

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4 pages, 3 figures

Experimental Electronic Structure and Interband Nesting in BaVS_3

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