Specific features of the electronic structure of CoxTiSe2 according to the resonant photoemission data
A. S.
Shkvarin, 
*a
A. I.
Merentsov,
a
M. S.
Postnikov,
a
Yu. M.
Yarmoshenko,
a
E. G.
Shkvarina
a
and
A. N.
Titov
a
*a
A. I.
Merentsov,
a
M. S.
Postnikov,
a
Yu. M.
Yarmoshenko,
a
E. G.
Shkvarina
a
and
A. N.
Titov
a
Abstract
The effect of atomic ordering in the cobalt sublattice on the electronic structure of the CoxTiSe2 intercalation compounds has been studied using a complex of spectral techniques – XPS, XAS, and ResPES, along with theoretical calculations of the total and partial densities of states. It has been found that the cobalt intercalation significantly affects the character of the chemical bond inside the host lattice. No signs of the direct overlapping of the Co 3d orbitals in the ordered material were observed. It has been found that the reason for the ordering of the cobalt atoms is a Co 3d/Ti 3d/Se 4p hybridization.
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