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Some applications of transmission electron microscopy to space physics

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Abstract

We have used the techniques of 1 MeV and 100 keV electron microscopy to compare various radiation-damage features in lunar dust grains and in mineral grains that have been exposed to artificial fluxes of low-energy nuclear particles; in particular, amorphous rims to the grains and etched ion tracks were examined. The results of these investigations clearly show the effects of solar wind sputtering and reveal the existence of high fluxes of low-energy particles in interplanetary space.

Some implications of the present work are presented concerning the past and present activity of the Sun, the sticking process taking place in the primitive solar nebula and the variation in the mineralogical composition of the cosmic dust clouds as a function of the age of the galaxy.

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Authors and Affiliations

  1. Laboratoire René Bernas du Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, B.P. 1, 91 406, Orsay, France

    J. Borg

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  1. J. Borg
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Borg, J. Some applications of transmission electron microscopy to space physics. J Mater Sci 8, 484–489 (1973). https://doi.org/10.1007/BF00550452

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  • DOI: https://doi.org/10.1007/BF00550452

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