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27 April 2024

» arxiv » 1008.1146

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Evolution of electronic structure on Transition Metal doped Titanium Disulfide by angle-resolved photoemission spectroscopy study
X.Y.Cui ; H.Negishi ; A. N. Titov ; S. G. Titova ; M. Shi ; L. Patthey ;
Date:	6 Aug 2010
Abstract:	We have systematically investigated the structural property and electrical structures of the transition metal intercalated titanium disulfide compound Fe$_x$TiS$_2$ ($0leq xleq0.33$) from angle-resolved photoelectron spectroscopy with tunable polarized synchrotron radiation. The effect of intercalation on the energy bands and density of states of the host material around two high-symmetry points ($Gamma, L$) is studied. Charge transfer from the Fe atoms to the dichalcogenide layers leads to the movement of the Ti 3d-derived electron pocket. Two hybridized states are observed around $sim500$ meV and Fermi level. Knowledge of hybridization among the Fe $3d$, Ti $3d$, and S $3p$ states is very important to understand the physical of Fe$_x$TiS$_2$ system.
Source:	arXiv, 1008.1146
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