Elasticity, Lattice Dynamics and Parameterisation Techniques for the Tersoff Potential Applied to Elemental and Type III-V Semiconductors

by David Powell

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This thesis details the techniques used in constructing a library of improved parameters for the Tersoff bond-order potential energy model which is used in atomistic modelling applications. The parameters presented here are for the elemental type-IV diamond structure semiconductors and the binary III-As, III-P, III-Sb and the cubic III-N compound semiconductors. The parameters are fitted to a number of experimental and DFT predicted properties of the materials including the lattice parameter, the cohesive energy, the elastic constants and the lattice dynamical properties, including phonon frequency and mode-Gruneisen parameters, for three pertinent locations in the Brillouin zone.
  • ISBN10 1447596390
  • ISBN13 9781447596394
  • Publish Date 14 December 2011
  • Publish Status Active
  • Publish Country GB
  • Imprint Lulu.com
  • Format eBook
  • Language English