Microscopic models of hardness

@article{Gao2010MicroscopicMO,
  title={Microscopic models of hardness},
  author={Fu Min Gao and Long Hua Gao},
  journal={Journal of Superhard Materials},
  year={2010},
  volume={32},
  pages={148-166}
}
Recent developments in the field of microscopic hardness models have been reviewed. In these models, the theoretical hardness is described as a function of the bond density and bond strength. The bond strength may be characterized by energy gap, reference potential, electron-holding energy or Gibbs free energy, and different expressions of bond strength may lead to different hardness models. In particular, the hardness model based on the chemical bond theory of complex crystals has been… CONTINUE READING

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