Physics
Scientific paper
Apr 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hyint.190..143v&link_type=abstract
Hyperfine Interactions, Volume 190, Issue 1-3, pp. 143-148
Physics
MÖ, Ssbauer Spectroscopy, Mars, Mimos Ii
Scientific paper
This contribution focuses on the Mössbauer spectra acquired by the Mars Exploration Rover Spirit which carried a MIMOS II Mössbauer spectrometer. Only those spectra which present a reasonable statistical quality were selected to for this study. Twenty five Mössbauer spectra have been considered. Common phases identified from the temperature dependent hyperfine parameters are olivine, pyroxene, hematite and magnetite. It is believed that the applied analysis method has provided accurate values for the various hyperfine data averaged over single 10 K temperature intervals in the range 210-260 K. The obtained results, to some extent forced to evolve consistently over the various ΔT intervals considered for a given soil/rock target, are in many cases different from previously published data. Possible reasons for these differences will be discussed.
de Grave Eddy
de Resende Valdirene G.
van Cromphaut Caroline
Vandenberghe Robert E.
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