publication . Article . Other literature type . 2013

a raman spectroscopic study of organic matter in interplanetary dust particles and meteorites using multiple wavelength laser excitation

Starkey, N. A.; Franchi, I. A.; Alexander, C. M. O'D.;
Open Access
  • Published: 01 Oct 2013 Journal: Meteoritics & Planetary Science, volume 48, pages 1,800-1,822 (issn: 1086-9379, Copyright policy)
  • Publisher: Wiley
Raman spectroscopy was used to investigate insoluble organic matter (IOM) from a range of chondritic meteorites, and a suite of interplanetary dust particles (IDPs). Three monochromatic excitation wavelengths (473 nm, 514 nm, 632 nm) were applied sequentially to assess variations in meteorite and IDP Raman peak parameters (carbon D and G bands) as a function of excitation wavelength (i.e., dispersion). Greatest dispersion occurs in CVs > OCs > CMs > CRs with type 3 chondrites compared at different excitation\ud wavelengths displaying conformable relationships, in contrast to type 2 chondrites. These findings indicate homogeneity in the structural nature of type ...
free text keywords: Space and Planetary Science, Geophysics, Carbon, chemistry.chemical_element, chemistry, Raman spectroscopy, symbols.namesake, symbols, Ion, Chondrite, Wavelength, Meteorite, Mineralogy, Dispersion (optics), Interplanetary dust cloud
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