结晶
方解石
过饱和度
化学物理
Crystal(编程语言)
材料科学
离子键合
原子力显微镜
纳米技术
化学
矿物学
化学工程
计算机科学
离子
工程类
程序设计语言
有机化学
作者
Haihua Pan,Ruikang Tang
出处
期刊:Crystals
[MDPI AG]
日期:2020-06-01
卷期号:10 (6): 463-463
被引量:2
标识
DOI:10.3390/cryst10060463
摘要
Crystallization via particle attachment was used in a unified model for both classical and non-classical crystallization pathways, which have been widely observed in biomimetic mineralization and geological fields. However, much remains unknown about the detailed processes and driving mechanisms for the attachment. Here, we take calcite crystal as a model mineral to investigate the detailed attachment process using in situ Atomic Force Microscopy (AFM) force measurements and molecular dynamics simulations. The results show that hydration layers hinder the attachment; however, in supersaturated solutions, ionic bridges are formed between crystal gaps as a result of capillary condensation, which might enhance the aggregation of calcite crystals. These findings provide a more detailed understanding of the crystal attachment, which is of vital importance for a better understanding of mineral formation under biological and geological environments with a wide range of chemical and physical conditions.
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