Combined Micro-Infrared (IR) and Micro-Raman Measurements on Stratospheric Interplanetery Dust Particles

Details Combined Micro-Infrared (IR) and Micro-Raman Measurements on Stratospheric Interplanetery Dust Particles Combined Micro-Infrared (IR) and Micro-Raman Measurements on Stratospheric Interplanetery Dust Particles

Jan 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007esasp.643..149r&link_type=abstract

Workshop on Dust in Planetary Systems (ESA SP-643). September 26-30 2005, Kauai, Hawaii. Editors: Krueger, H. and Graps, A., p.1

Computer Science

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Scientific paper

In preparation for the Stardust sample analyses, we performed combined micro-IR/micro-Raman measurements on five Interplanetary Dust Particles (IDPs) that were characterized by Field Emission Scanning Electron Microscope analyses. We demonstrate the synergy between these techniques to detect Fe-oxides and the degree of ordering in amorphous carbons, and IR-based classification of these IDPs collected in the lower stratosphere. We present IR spectra and micro-Raman data that offer new insight in the evolution of the amorphous carbon component in (1) three chondritic aggregate IDPs, (2) a sulfide IDP and (3) a Fe-rich IDP sphere with a vestige of sulfur remnant after ablation and melting of a sulfide IDP.

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