Micro raman spectroscopy of diamonds in the Canyon Diablo iron meteorite: Implication for shock origin
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Raman spectra were measured for diamonds in an inclusion of the Canyon Diablo iron meteorite. The wavenumber position of a Raman peak was found in the range between 1333 and 1318cm^<-1>, and the full width at half maximum (FWHM) of the Raman peak ranges from 25 to 117cm^<-1>. These results are similar to those of Raman spectra of diamonds synthesized by shock-induced high pressure and are consistent with the consensus that diamond in Canyon Diablo formed by impact shock. No diamond grains showing a relatively narrow FWHM (7cm^<-1>) were found in the inclusion.
- 国立極地研究所の論文
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