Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/17098
Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Coatings and weathering rinds at Gusev crater, Mars, investigated by depth selective Mossbauer spectroscopy
Authors: Fleischer, Iris
Klingelhoefer, Goestar
Schröder, Christian
Rodionov, Daniel S
Contact Email: christian.schroeder@stir.ac.uk
Keywords: Depth selective Mossbauer spectroscopy
Mars Exploration Rover mission
Iron mineralogy
Geochemistry
Issue Date: Sep-2008
Publisher: Springer
Citation: Fleischer I, Klingelhoefer G, Schröder C & Rodionov DS (2008) Coatings and weathering rinds at Gusev crater, Mars, investigated by depth selective Mossbauer spectroscopy, Hyperfine Interactions, 186 (1-3), pp. 193-198.
Abstract: The miniaturised Mössbauer spectrometer (MIMOS II) is part of the scientific payload of the two Mars Exploration Rovers, “Spirit” and “Opportunity” (Klingelhöfer et al., J Geophys Res 108(E12), 2003). MIMOS II can obtain 14.4 keV γ-ray spectra and 6.4 keV X-ray spectra simultaneously in backscattering geometry. Comparing 6.4 keV and 14.4 keV spectra yields depth selective information about a sample and allows for the detection and characterization of thin coatings or weathering rinds. Laboratory measurements and a Monte Carlo simulation were used to study the influence of coatings of varying thickness and composition on backscattering Mössbauer spectra. The thickness of thin surface layers on natural samples can be estimated by comparing measured and the corresponding simulated spectra.
Type: Journal Article
URI: http://hdl.handle.net/1893/17098
DOI Link: http://dx.doi.org/10.1007/s10751-008-9853-z
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: Johannes Gutenberg University of Mainz
Johannes Gutenberg University of Mainz
Biological and Environmental Sciences
Johannes Gutenberg University of Mainz

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