Self Diffusion Parameters from Non-empirical Pair Potentials Academic Article uri icon

abstract

  • A scheme for construction of the pair potential from non-empirical calculations of electronic structure of solids is suggested. As an example, parameters of Lennard-Jones potential are obtained for fcc Cs, based on LMTO calculations of energy parameters. Vacancy formation and migration energies for fcc Cs are calculated from this first-principles pair potential. In addition, the frequency of vibration and the jump probability of an atom are calculated and it is shown that they are direction dependent.

publication date

  • June 1, 1993