Nucleation- and Emergence-Limited Growth of Ice from Pores

被引：47

作者：

Campbell, James M. ^{[1
]}

Christenson, Hugo K. ^{[1
]}

机构：

[1] Univ Leeds, Sch Phys & Astron, Woodhouse Lane, Leeds LS2 9JT, W Yorkshire, England

来源：

PHYSICAL REVIEW LETTERS | 2018年 / 120卷 / 16期

关键词：

CRYSTAL NUCLEATION; SURFACE; CRYSTALLIZATION; ACTIVATION; PARTICLES;

D O I：

10.1103/PhysRevLett.120.165701

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nucleation of ice from vapor on atmospheric aerosols has been attributed to the condensation and freezing of supercooled water in small pores. Here we use wedge pores on mica to directly observe the growth of ice in confinement prior to the growth of bulk crystals. We report a transition in behavior with a decreasing temperature: At low temperatures, the limiting step is not nucleation but a free energy barrier associated with the growth of ice through a narrow pore mouth to become a bulk phase.

引用

页数：5

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