Phys. Rev. B 54, 2910–2916 (1996)Oscillatory interaction of steps on W{110}Received 21 February 1996; published in the issue dated 15 July 1996 Using a modified fourth-moment approximation to tight-binding theory, we have carried out a systematic study of the energetics of steps and kinks on the W{110} surface. This model predicts an oscillatory interaction (as a function of separation) between isolated stable steps on the W{110} surface, whereas previous studies of step-step interactions on late transition and noble metals with the embedded atom method found a purely repulsive, inverse-square decay. The oscillations are similar to those found by scanning tunneling microscope measurements of vicinal Cu{100} and Ag{110} systems. © 1996 The American Physical Society. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.54.2910
DOI:
10.1103/PhysRevB.54.2910
PACS:
73.90.+f, 68.35.-p, 68.10.Cr, 73.20.Dx
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