Van der Waals forces
作者:
R. H.S. Winterton,
期刊:
Contemporary Physics
(Taylor Available online 1970)
卷期:
Volume 11,
issue 6
页码: 559-574
ISSN:0010-7514
年代: 1970
DOI:10.1080/00107517008202194
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Van der Waals forces are among the forces that attract atoms and molecules together. Their importance follows from two unique properties. Firstly, they are universal. All atoms and molecules attract one another through this mechanism, so they account for phenomena, such as the cohesion of the inert gases in the solid and liquid states, and physical adsorption of molecules to solid surfaces, where no normal chemical bonds are formed. Secondly, the force is still significant when the molecules are comparatively far apart, and it is additive for large numbers of molecules. Van der Waals forces affect various properties of gases, and also give rise to an attractive force between two solid objects separated by a small gap, which is important in adhesion and in the stability of colloids.
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