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Photoemission spectroscopy and electronic structures of LiMn2O4

Wu, Qi-Hui and Thissen, Andreas and Jaegermann, Wolfram (2006):
Photoemission spectroscopy and electronic structures of LiMn2O4.
23, In: Chinese Physics Letters, (8), pp. 2202-2205, ISSN 0256-307X, [Article]

Abstract

We study the electronic structures of LiMn2O4 by x-ray and ultraviolet photoelectron spectroscopy (XPS, UPS) and resonant photoelectron spectroscopy (RPES). XPS data suggest that the average oxidation state of Mn ions is 3.55, probably due to the small amount of lithium oxides on the surface. UPS and RPES data imply that Mn ions are in a high spin state, and RPES results show strong Mn3d-O2p hybridization in the LiMn2O4 valence band.

Item Type: Article
Erschienen: 2006
Creators: Wu, Qi-Hui and Thissen, Andreas and Jaegermann, Wolfram
Title: Photoemission spectroscopy and electronic structures of LiMn2O4
Language: English
Abstract:

We study the electronic structures of LiMn2O4 by x-ray and ultraviolet photoelectron spectroscopy (XPS, UPS) and resonant photoelectron spectroscopy (RPES). XPS data suggest that the average oxidation state of Mn ions is 3.55, probably due to the small amount of lithium oxides on the surface. UPS and RPES data imply that Mn ions are in a high spin state, and RPES results show strong Mn3d-O2p hybridization in the LiMn2O4 valence band.
Journal or Publication Title: Chinese Physics Letters
Volume: 23
Number: 8
Uncontrolled Keywords: RAY PHOTOELECTRON-SPECTROSCOPY; PHASE-TRANSITION; THIN-FILMS; SPINELS; LI; LI(X)MN2O4; SYSTEMS; CELLS
Divisions: 11 Department of Materials and Earth Sciences
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences > Material Science > Surface Science
Zentrale Einrichtungen
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 595: Electrical fatigue > A - Synthesis > Subproject A3: Boundary layers and thin films of ionic conductors: Electronic structure, electrochemical potentials, defect formation and degradation mechanisms
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio)
Date Deposited: 04 Aug 2011 08:43
Additional Information:

SFB 595 A3
Identification Number: doi:10.1088/0256-307X/23/8/066
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