Conversion of hausmanite (Mn3O4) particles to nano-fibrous manganite (MnOOH) at ambient conditions

In this paper it is shown that even exposure to open air at room temperature can alter both the physical and the chemical structures of manganese oxides, resulting in the transformation from hausmanite (Mn3O4) to manganite (MnOOH) and on heat treatment to 400 deg C, manganite transformed to pyrolusi...

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Bibliographic Details
Published in:Journal of materials science 2005-09, Vol.40 (18), p.4995-4998
Main Authors: RABIEI, S, MISER, D. E, LIPSCOMB, J. A, SAOUD, K, GEDEVANISHVILI, S, RASOULI, F
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Manganese oxyhydroxides
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Porous materials
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Summary:In this paper it is shown that even exposure to open air at room temperature can alter both the physical and the chemical structures of manganese oxides, resulting in the transformation from hausmanite (Mn3O4) to manganite (MnOOH) and on heat treatment to 400 deg C, manganite transformed to pyrolusite (MnO2).
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-005-2497-3