Mössbauer and Magnetic Study of Solid Phases Formed by Dissimilatory Iron-Reducing Bacteria

N.I. Chistyakova; V.S. Rusakov; A.A. Shapkin; P.A. Pigalev; A.P. Kazakov; T.N. Zhilina; D.G. Zavarzina; A. Lančok; J. Kohout; J.M. Grenèche

doi:10.4028/www.scientific.net/SSP.190.721

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Mössbauer and Magnetic Study of Solid Phases Formed by Dissimilatory Iron-Reducing Bacteria
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Mössbauer and Magnetic Study of Solid Phases Formed by Dissimilatory Iron-Reducing Bacteria

Abstract:

Mössbauer investigations of solid phases that were formed during the reduction of amorphous synthesized ferrihydrite (SF) by thermophilic anaerobic iron-reducing bacterium Thermincola ferriacetica (strain Z-0001) and alkaliphilic anaerobic iron-reducing bacterium Geoalkalibacter ferrihydriticus (strain Z-0531) were carried out at room, liquid nitrogen and helium temperatures in the presence or the absence of an external magnetic field (6 T). The magnetization M (T, H) was measured in the temperature interval 80-300 K and magnetic field up to 10 kOe. It was performed zero field cooling (ZFC) and field cooling (FC) measurements of M (T).

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Solid State Phenomena (Volume 190)

Pages:

721-724

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.190.721

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Online since:

June 2012

Authors:

N.I. Chistyakova, V.S. Rusakov, A.A. Shapkin, P.A. Pigalev, A.P. Kazakov, T.N. Zhilina, D.G. Zavarzina, A. Lančok, J. Kohout, J.M. Grenèche

Keywords:

Bio-Magnetism, Dissimilatory Iron-Reducing Bacteria, Iron Oxides, Mössbauer Spectroscopy

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