Coordinated TEM and NanoSIMS of presolar graphites.

Croat T. K., Stadermann F. J., and Bernatowicz T. J. (2005) Microscopy and Microanalysis, 11, Supplement S02, pp 1388-1389

doi:10.1017/S1431927605508183


ABSTRACT

Presolar graphites are especially interesting in that they encapsulate many internal grains during their growth, preserving these higher temperature phases that condense in the outflows of supernova (SN) and carbon stars. Coordinated laboratory microanalysis of these phase assemblages, using transmission electron microscopy and then secondary ion mass spectrometry with high spatial resolution (NanoSIMS), can reveal details about astrophysical processes that cannot be obtained through astronomical observations.


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