Abstract
A special experimental setup for in-field applications was developed at Mainz. It incorporates hardware for automated positioning of the Mossbauer sensor head, a Plexiglas tube, and a modified version of the space proven Miniaturized Mossbauer Spectrometer MIMOS II (Klingelhofer et aI., Science, 306:1740-1745, 2004; Klingelhofer et aI., J. Geophys. Res., 108(E12):8067, 2003; Klingelhöfer et aI., Hyperfine Interact. 144/145:371–379, 2002; Génin et al., Solid State Sci., 7:545–572, 2005). MIMOS operates in backscattering geometry, thus no sample preparation is required. Also dedicated software for running measurement sequences (e.g., different depth positions at different times etc.) was developed. The setup can work autonomously up to several weeks in the field. Preliminary results confirm that fougerite mineral found in hydromorphic soils is Fell-III hydroxycarbonate green rust.
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Klingelhofer, G., Morris, R.V., Bernhardt, B., Schröder, C., Rodionov, D.S., de Souza Jr., P.A., Yen, A., Gellert, R., Evlanov, E.N., Zubkov, B., Foh, J., Bonnes, D., Kankleit, E., Gütlich, P., Ming, D.W., Renz, F., Wdowiak, T., Squyres, S.W., Arvidson, R.E.: Science 306(5702), 1740–1745 (2004)
Klingelhöfer, G., Morris, R.V., Bernhardt, B., Rodionov, D., de Souza Jr., P.A., Squyres, S.W., Foh, J., Kankeleit, E., Bonnes, D., Gellert, R., Schröder, Ch., Linkin, S., Evlanov, E., Zubkov, B., Prilutski, 0.: J. Geophys. Res. 108(EI2), 8067 (2003)
Klingelhöfer, G., Bernhardt, B., Foh, J., Bonnes, D., Rodionov, D., de Souza, P.A., Schröder, Ch., Gellert, R., Kane, S., Giitlich, P., Kankeleit, E.: Hyperfine Interact. 144/145, 371–379 (2002)
Génin, J.-M. R., Aissa, R., Gehin, A., Abdelmoula, M., Benali, 0., Emstsen, V., Ona-Nguema, G., Upadhyay, C., Ruby, C.: Solid State Sci. 7, 545–572 (2005)
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Rodionov, D. et al. (2006). Automated Mössbauer spectroscopy in the field and monitoring of fougerite. In: Lippens, PE., Jumas, JC., Génin, JM.R. (eds) ICAME 2005. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-49853-7_27
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DOI: https://doi.org/10.1007/978-3-540-49853-7_27
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