Thermodynamic model of the surface energy of nanocrystals

被引：90

作者：

Ouyang, Gang ^{[1
]}

Tan, Xin ^{[1
]}

Yang, Guowei ^{[1
]}

机构：

[1] Zhongshan Univ, State Key Lab Optoelect Mat & Technol, Inst Optoelect & Funct Composite Mat, Sch Phys Sci & Engn, Guangzhou 510275, Peoples R China

来源：

PHYSICAL REVIEW B | 2006年 / 74卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.74.195408

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Combining the thermodynamics at the nanometer scale and the continuum mechanics, we established a universal and analytic thermodynamic model to elucidate the surface energy of nanocrystals. It was found that the surface energy decreases with decreasing the size of nanocrystals. The theoretical predictions were well consistent with the experimental data, implying that the thermodynamic model could be expected to be a general approach to understand surface energy in nanomaterials.

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页数：5

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