XPS study on La0.67Ca0.33Mn1-xCoxO3 compounds

Autor(en): Dudric, R.
Vladescu, A.
Rednic, V.
Neumann, M.
Deac, I. G.
Tetean, R.
Stichwörter: Chemistry; Chemistry, Physical; Cobaltites; COLOSSAL MAGNETORESISTANCE; Electronic properties; ELECTRONIC-STRUCTURE; FERROMAGNETISM; Manganites; OXIDES; OXYGEN; PEROVSKITES; PHASE; PHOTOEMISSION; TRANSITION; TRANSPORT; XPS spectra
Erscheinungsdatum: 2014
Herausgeber: ELSEVIER
Journal: JOURNAL OF MOLECULAR STRUCTURE
Volumen: 1073
Ausgabe: SI
Startseite: 66
Seitenende: 70
Zusammenfassung: 
The electronic structure of the polycrystalline La0.67Ca0.33Mn1-xCoxO3 compounds with x = 0.5, 0.6, 0.7, 0.8, 0.9 and 1 has been investigated by X-ray photoelectron spectroscopy (XPS). The valence band and the transition metal core level spectra were analyzed. Several contributions from the Mn 3d, Co 3d and of extensively hybridized Mn3d-O2p and Co3d-O2p states were found in the spectral region between 2 eV and 5 eV. The core level spectra show the presence of Co4+ and Co2+ states. (C) 2014 Elsevier B.V. All rights reserved.
ISSN: 00222860
DOI: 10.1016/j.molstruc.2014.04.065

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