Displacement fields of point defects in two-dimensional colloidal crystals

@article{Lechner2008DisplacementFO,
  title={Displacement fields of point defects in two-dimensional colloidal crystals},
  author={W. Lechner and Elisabeth Scholl-Paschinger and C. Dellago},
  journal={Journal of Physics: Condensed Matter},
  year={2008},
  volume={20},
  pages={404202}
}
Point defects such as interstitials, vacancies and impurities in otherwise perfect crystals induce complex displacement fields that are of long-range nature. In the present paper we study numerically the response of a two-dimensional colloidal crystal on a triangular lattice to the introduction of an interstitial particle. While far from the defect position the resulting displacement field is accurately described by linear elasticity theory, lattice effects dominate in the vicinity of the… Expand

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