title: The electronic structure formation of Cu(x)TiSe2 in a wide range (0.04 < x < 0.8) of copper concentration.
abstract: An experimental study of the electronic structure of copper intercalated titanium dichalcogenides in a wide range of copper concentrations (x = 0.04-0.8) using x-ray photoelectron spectroscopy, resonant photoelectron spectroscopy, and x-ray absorption spectroscopy has been performed. Shift towards low energies of the Ti 2p and Se 3d core level spectra and a corresponding decrease in the photon energy of Ti 2p absorption spectra with the increase in copper concentration have been found. These sign-anomalous shifts may be explained by the shielding effect of the corresponding atomic shells as a result of the dynamic charge transfer during the formation of a covalent chemical bond between the copper atoms and the TiSe2 matrix.
authors.affiliation: Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.
authors.forename: A S
authors.initials: AS
authors.lastname: Shkvarin
authors.affiliation: Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.
authors.forename: Yu M
authors.initials: YM
authors.lastname: Yarmoshenko
authors.affiliation: Sincrotrone Trieste SCpA, Area Science Park, S.S. 14 km 163.5, 34012 Basovizza, Italy.
authors.forename: M V
authors.initials: MV
authors.lastname: Yablonskikh
authors.affiliation: Ural Federal University, 620089 Yekaterinburg, Russia.
authors.forename: A I
authors.initials: AI
authors.lastname: Merentsov
authors.affiliation: Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.
authors.forename: E G
authors.initials: EG
authors.lastname: Shkvarina
authors.affiliation: Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.
authors.forename: A A
authors.initials: AA
authors.lastname: Titov
authors.affiliation: Saint Petersburg State University, 198504 St. Petersburg, Russia.
authors.forename: Yu M
authors.initials: YM
authors.lastname: Zhukov
authors.affiliation: Institute of Metal Physics, Russian Academy of Sciences-Ural Division, 620990 Yekaterinburg, Russia.
authors.forename: A N
authors.initials: AN
authors.lastname: Titov