Revisiting elastic interactions between steps on vicinal surfaces: The buried dipole model

Abstract : We expose a new analytical method for computing elastic displacements and interactions due to steps on vicinal surfaces. The model of a "buried dipole" allows us to take into account the specific geometry of the step while performing anisotropic linear elasticity calculations. The displacements found show a remarkable agreement with molecular dynamics simulations for Cu and Pt (001) and (111) vicinals. The interaction energy between steps strongly depends on the dipole direction.
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Submitted on : Friday, May 27, 2005 - 11:47:41 AM
Last modification on : Tuesday, May 14, 2019 - 10:46:52 AM

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Geoffroy Prévot, B. Croset. Revisiting elastic interactions between steps on vicinal surfaces: The buried dipole model. Physical Review Letters, American Physical Society, 2004, 92, pp.256104. ⟨10.1103/PhysRevLett.92.256104⟩. ⟨hal-00004999⟩

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