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Electronic structure peculiarities of disordered Mn and Co diphosphates

Electronic structure peculiarities of disordered diphosphate —Mn₂₋ₓCoₓP₂O₇*5H₂O, with x = 0, 0.6, 1.0, 1.9, 2.0, were studied by XPS and X-ray emission spectroscopy. Substitution in the different degree of cobalt by manganese leads to a charge redistribu¬tion in the metal sublattice and results in i...

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Bibliographic Details
Main Authors: Karbivskyy, V.L., Smolyak, S.S., Zagorodniy, Yu.A., Kasiyanenko, V.H.
Format: Article
Language:English
Published: НТК «Інститут монокристалів» НАН України 2012
Series:Functional Materials
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Online Access:http://dspace.nbuv.gov.ua/handle/123456789/135380
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Summary:Electronic structure peculiarities of disordered diphosphate —Mn₂₋ₓCoₓP₂O₇*5H₂O, with x = 0, 0.6, 1.0, 1.9, 2.0, were studied by XPS and X-ray emission spectroscopy. Substitution in the different degree of cobalt by manganese leads to a charge redistribu¬tion in the metal sublattice and results in increase of the chemical bond ionicity between oxygen anions and the metal cations. Such charge redistribution is responsible for forma¬tion of the states laying in the upper part of the valence band.