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Citation: YIN Zhen-Xing, KONG Hui, WANG Hai-Chuan, ZHANG Jun, LIAO Zhi-You, LI Yuan. Discussion on the Surface Tension and the Surface Free Energy[J]. University Chemistry, ;2016, 31(9): 77-82. doi: 10.3866/PKU.DXHX201512011 shu

Discussion on the Surface Tension and the Surface Free Energy

School of Metallurgical Engineering, Anhui University of Technology, Maanshan 243002, Anhui Province, P. R. China

We reviewed briefly the developing history of two basic concepts, surface tension and surface Gibbs free energy, in physical chemistry of surfaces, and gave a detailed discussion about the formation mechanisms of surface tension and surface free energy and the relationship between the bond energy and the surface tension. Finally, we addressed that while a surface phase could be simplified to a geometric surface, it is an actual phase which is always a metastable state owing to the surface free energy.
- Surface tension,
- Surface free energy,
- Bond energy,
- Surface phase,
- Metastable state
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