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Agglomeration of Ni-nanoparticles in the gas phase under gravity and microgravity conditions

: Lösch, S.; Iles, G.N.; Schmitz, B.; Günther, B.H.

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Journal of physics. Conference series 327 (2011), Art. 012036
ISSN: 1742-6588
ISSN: 1742-6596
International Symposium on Physical Sciences in Space (ISPS-4) <4, 2011, Bonn>
Konferenzbeitrag, Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IFAM ()

The agglomeration of metallic nanoparticles can be performed using the well-known inert gas condensation process. Unfortunately, thermal effects such as convection are created by the heating source and as a result the turbulent aerosol avoids ideal conditions. In addition, the sedimentation of large particles and/or agglomerates influences the self-assembly of particles. These negative effects can be eliminated by using microgravity conditions. Here we present the results of the agglomeration of nanoscale Ni-particles under gravity and microgravity conditions, the latter provided by adapted microgravity platforms namely the European sounding rocket MAXUS 8 and the European Parabolic Flight aircraft, Airbus A300 Zero-G.