Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 17, issue 17
Articles | Volume 17, issue 17
https://doi.org/10.5194/acp-17-10733-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-10733-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 17, issue 17
Research article
 | 
13 Sep 2017
Research article |  | 13 Sep 2017

Direct molecular-level characterization of different heterogeneous freezing modes on mica – Part 1

Ahmed Abdelmonem

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Cited articles

Abdelmonem, A., Lützenkirchen, J., and Leisner, T.: Probing ice-nucleation processes on the molecular level using second harmonic generation spectroscopy, Atmos. Meas. Tech., 8, 3519–3526, https://doi.org/10.5194/amt-8-3519-2015, 2015.
Abdelmonem, A., Backus, E. H. G., Hoffmann, N., Sánchez, M. A., Cyran, J. D., Kiselev, A., and Bonn, M.: Surface-charge-induced orientation of interfacial water suppresses heterogeneous ice nucleation on α-alumina (0001), Atmos. Chem. Phys., 17, 7827–7837, https://doi.org/10.5194/acp-17-7827-2017, 2017.
Anim-Danso, E., Zhang, Y., and Dhinojwala, A.: Surface charge affects the structure of interfacial ice, J. Phys. Chem. C, 120, 3741–3748, https://doi.org/10.1021/acs.jpcc.5b08371, 2016.
Argyris, D., Ho, T., Cole, D. R., and Striolo, A.: Molecular dynamics studies of interfacial water at the alumina surface, J. Phys. Chem. C, 115, 2038–2046, https://doi.org/10.1021/jp109244c, 2011.
Balmer, T. E., Christenson, H. K., Spencer, N. D., and Heuberger, M.: The effect of surface ions on water adsorption to mica, Langmuir, 24, 1566–1569, https://doi.org/10.1021/la702391m, 2008.
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On the basis of supercooled SHG spectroscopy, I report molecular-level evidence for the existence of one- and two-step deposition freezing depending on the surface type and the supersaturation conditions. In addition, immersion freezing shows a transient ice phase with a lifetime of c. 1 min. This study provides new insights into atmospheric processes and can impact various industrial and research branches, particularly climate change, weather modification, and tracing water in the hydrosphere.
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