Mapping ice formation to mineral-surface topography using a micro mixing chamber with video and atomic-force microscopy
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Published:2020-05-07
Issue:5
Volume:13
Page:2209-2218
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ISSN:1867-8548
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Container-title:Atmospheric Measurement Techniques
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language:en
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Short-container-title:Atmos. Meas. Tech.
Author:
Friddle Raymond W.,Thürmer Konrad
Abstract
Abstract. We developed a method for examining ice formation on
solid substrates exposed to cloud-like atmospheres. Our experimental
approach couples video-rate optical microscopy of ice formation with
high-resolution atomic-force microscopy (AFM) of the initial mineral
surface. We demonstrate how colocating stitched AFM images with video
microscopy can be used to relate the likelihood of ice formation to
nanoscale properties of a mineral substrate, e.g., the abundance of surface
steps of a certain height. We also discuss the potential of this setup for
future iterative investigations of the properties of ice nucleation sites on
materials.
Publisher
Copernicus GmbH
Subject
Atmospheric Science
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