Open knowledgebase about crystallization phenomena.

Introduction

Crystallization

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General
Growth
Nucleation



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Growth at crystallization.


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Mechanism of two-dimensional nuclei growth.
One of the models of layer by layer growth of crystal is based on the random process of forming two dimensional nucleus that schematically displayed on the following picture:

Fig. 1. Schematic view of two dimensional nucleus on the flat crystal surface. 

A change...

Dislocation induced crystal growth.
An observation of the crystals growing with flat surfaces and in the same time difficulty of quantitative application of the two dimensional nuclei model for quantitative explanation of experimental data for temperature dependence of rate of crystal growth as well an occasional the observation spira...
A model of thermally activated crystal growth.

A model of thermally activated crystal growth is a foundation for theory of crystallization.

In the model of thermally activated crystal growth addresses to the elemental act of incorporation of molecule on the surface into crystal. In the spite (or because) simple mathematical formulation ...

Models of growth of crystal surface.
The model of thermally activated crystal growth as described in the article leaves aside the very important feature of crystal growth phenomena namely the influence of surface energy.

A difference in levels of free energy between molecule situated at the surface of the crystal incorpora...


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