Comment on evidence for surface-initiated homogeneous nucleation

Comment on evidence for surface-initiated homogeneous nucleation

We investigate theoretical, laboratory, and atmospheric evidence for a recently proposed hypothesis: homogeneous ice nucleation initiates at the surface, not in the volume, of supercooled water drops. Using existing thermodynamic arguments, laboratory experiments, and atmospheric data, we conclude that ice embryo formation at the surface cannot be confirmed or disregarded. Ice nucleation rates ...

Surface nucleation comment

Comment on evidence for surface-initiated homogenous nucleation J. E. Kay, V. Tsemekhman, B. Larson, M. Baker, and B. Swanson Department of Earth and Space Sciences, University of Washington, Seattle, USA Applied Physics Laboratory, University of Washington, Seattle, USA Received: 11 March 2003 – Accepted: 12 June 2003 – Published: 1 July 2003 Correspondence to: J. E. Kay ([email protected])

COMMENTS Comment on: “Self-consistency correction to homogeneous nucleation theory”

A modified expression for the rate of homogeneous nucleation from an ideal supersaturated vapor was recently derived,’ in which the rate given by the classical expression was multiplied by a factor co/S, where S is supersaturation, 8 = (as,/kT), r+ is surface tension, and s, is monomer surface area. This factor represents an often large and temperature-dependent correction to the classical expr...

Comment on "The dependence of homogeneous nucleation rate on supersaturation" [J. Chem. Phys. 141, 024307 (2014)].

Homogeneous bulk, surface, and edge nucleation in crystalline nanodroplets.

The birth of a crystal is initiated by a nucleus from which the crystal grows--a dust grain in a snowflake is a familiar example. These nuclei can be heterogeneous defects, like the dust grain, or homogeneous nuclei which are intrinsic to the material. Here we study homogeneous nucleation in nanoscale polymer droplets on a substrate which itself can be crystalline or amorphous. We observe a lar...