Mott-Hubbard versus charge-transfer behavior in LaSrMnO4 studied via optical conductivity

Using spectroscopic ellipsometry, we study the optical conductivity sigma(omega) of insulating LaSrMnO4 in the energy range of 0.75-5.8 eV from 15 to 330 K. The layered structure gives rise to a pronounced anisotropy. A multipeak structure is observed in sigma_1^a(omega) (2, 3.5, 4.5, 4.9, and 5.5 e...

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Bibliographic Details
Main Authors: Gössling, Alexander (Author) , Haverkort, Maurits W. (Author)
Format: Article (Journal) Chapter/Article
Language:English
Published: 2008
In: Arxiv

Online Access:Verlag, kostenfrei, Volltext: http://arxiv.org/abs/0709.3711
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Author Notes:A. Gössling, M.W. Haverkort, M. Benomar, H. Wu, D. Senff, T. Möller, M. Braden, J.A Mydosh, and Grüninger
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