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Heiner Asmus

In situ investigations of dusty plasma in the polar E- and D-region

Universität Rostock, 2018

Abstract: This work presents results of rocket-borne measurements of dusty plasma parameters conducted in winter in high northern latitude ionosphere. It demonstrates that also smaller MSPs, i.e. with radii in sub-nanometer size range can be effectively charged and, thereby significantly influence plasma properties. Parameters of a charged MSP size distribution function were derived. The modelling results show that largest fraction of the charged MSPs reveal radii smaller than 1 nm and their density can exceed the density of electrons by up to an order of magnitude.

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