Electron structure of 1T-TiTe2 intercalated with Cr based on ARPES, RXES and XAS data

Autor(en): Kuznetsova, TV
Yablonskikh, MV
Postnikov, AV
Nicolay, G
Eltner, B
Reinert, F
Yarmoshenko, YM
Titov, AN
Nordgren, J
Stichwörter: band structure; photoemission; polarons; Spectroscopy; X-ray absorption spectra; X-ray emission spectra
Erscheinungsdatum: 2004
Herausgeber: ELSEVIER
Enthalten in: JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
Band: 137
Ausgabe: SI
Startseite: 481
Seitenende: 485
Zusammenfassung: 
We report the high-resolution angle-resolved photoelectron spectroscopy (ARPES) experiments and X-ray emission Cr L-2.3 and X-ray absorption (XA) spectra of metallic Cr and Ti in Cr1/3TiTe2, 1T-TiTe2, obtained with the use of linearly polarised synchrotron radiation. The emission spectra are studied at the excitation threshold and beyond it. For the case of beyond-the-threshold excitation, additional bands have been detected. Their origin is discussed on the basis of a model of semi-metallic state of the polarons. Our analysis of angle-resolved photoelectron spectra of Cr1/3TiTe2 with those of 1T-TiTe2 indicates a formation of narrow and practically dispersionless band situated approximately 1 eV below the Fermi level. (C) 2004 Elsevier B.V. All rights reserved.
Beschreibung: 
9th International Conference on Electronic Spectroscopy and Structure, Uppsala, SWEDEN, JUN 30-JUL 04, 2003
ISSN: 03682048
DOI: 10.1016/j.elspec.2004.02.125

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