Mechanism of two-step vapour–crystal nucleation in a pore
نویسندگان
چکیده
منابع مشابه
The two-step mechanism of nucleation of crystals in solution.
The formation of crystalline nanoparticles starts with nucleation and control of nucleation is crucial for the control of the number, size, perfection, polymorph modification and other characteristics of particles. Recently, there have been significant advances in the understanding of the mechanism of nucleation of crystals in solution. The most significant of these is the two-step mechanism of...
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The microscopic kinetics of ubiquitous solid-solid phase transitions remain poorly understood. Here, by using single-particle-resolution video microscopy of colloidal films of diameter-tunable microspheres, we show that transitions between square and triangular lattices occur via a two-step diffusive nucleation pathway involving liquid nuclei. The nucleation pathway is favoured over the direct ...
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چکیده ندارد.
15 صفحه اولKinetics of two-step nucleation of crystals.
When the nucleation of a stable crystalline phase directly in a supersaturated old phase is greatly retarded, the crystal nuclei might nucleate within faster-forming particles of an intermediate phase. Here we present a theoretical investigation of the kinetics of this two-step nucleation of crystals and derive general expressions for the time dependence of the number of crystals nucleated with...
متن کاملNucleation in a slit pore
We have employed density functional theory in statistical mechanics to study the nucleation of the gas–liquid transition inside a slit pore. This is the simplest kind of pore, in which a fluid is confined between two infinite and identical planar surfaces. Equilibrium capillary condensation in such systems has been studied in the past. Here, we explore the kinetics of nucleation of the new phas...
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ژورنال
عنوان ژورنال: Molecular Physics
سال: 2015
ISSN: 0026-8976,1362-3028
DOI: 10.1080/00268976.2015.1031844