Articles | Volume 16, issue 4
Research article
23 Feb 2016
Research article |  | 23 Feb 2016

Pre-activation of ice-nucleating particles by the pore condensation and freezing mechanism

Robert Wagner, Alexei Kiselev, Ottmar Möhler, Harald Saathoff, and Isabelle Steinke

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Cited articles

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Short summary
We have investigated the enhancement of the ice nucleation ability of well-known and abundant ice nucleating particles like dust grains due to pre-activation. Temporary exposure to a low temperature (228 K) provokes that pores and surface cracks of the particles are filled with ice, which makes them better nuclei for the growth of macroscopic ice crystals at high temperatures (245–260 K).
Final-revised paper