Non-uniform doping across the Fermi surface of NbS 2 intercalates

C. Battaglia (), H. Cercellier, L. Despont, C. Monney, M. Prester, H. Berger, L. Forró, M. G. Garnier and P. Aebi

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 57, issue 4, 385-390

Abstract: Magnetic ordering of the first row transition metal intercalates of NbS 2 due to coupling between the conduction electrons and the intercalated ions has been explained in terms of Fermi surface nesting. We use angle-resolved photoelectron spectroscopy to investigate the Fermi surface topology and the valence band structure of the quasi-two-dimensional layer compounds Mn 1/3 NbS 2 and Ni 1/3 NbS 2 . Charge transfer from the intercalant species to the host layer leads to non-uniform, pocket selective doping of the Fermi surface. The implication of our results on the nesting properties are discussed. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 79.60.-i Photoemission and photoelectron spectra; 71.18.+y Fermi surface: calculations and measurements (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2007-00188-1

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