FESEM and micro-IR investigations of extraterrestrial materials

Details FESEM and micro-IR investigations of extraterrestrial materials FESEM and micro-IR investigations of extraterrestrial materials

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001esasp.496..197p&link_type=abstract

In: Exo-/astro-biology. Proceedings of the First European Workshop, 21 - 23 May 2001, ESRIN, Frascati, Italy. Eds.: P. Ehrenfreu

Biology

Meteorites, Interplanetary Dust, Laboratory Simulations

Scientific paper

Meteorites and interplanetary dust particles (IDP's) are extraterrestrial samples available for investigation in the laboratory. This inventory will be soon enriched by solid fragments directly coming from plantary bodies, thanks to sample return space missions such as Stardust (Brownlee et al., 2000) and Muses-C (Fujiwara et al., 1999). One of the most important requirements for the analysis of these materials is the application of nondestructive methods. A quite complete overview of the analytical techniques, used in experiments on nanosamples, is given by Zolensky et al. (2000). In the present work we will show the potential of infrared micro-spectroscopy (IMS), field emission scanning electron microscopy (FESEM) and energy dispersive X-ray (EDX) analysis for the characterisation of extraterrestrial samples and the identification of possible bio-signatures.

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