Yy. Xia et al., MOLECULAR-DYNAMICS SIMULATION OF SURFACE RELAXATION FOR TERSOFF-DODSON TYPE (100)SI, Chinese Physics Letters, 11(12), 1994, pp. 751-753
Surface relaxation and lattice dynamics of (100) Si have been studied
using Tersoff-Dodson type Si potential. The average temperature of the
lattice is studied as well. The temperature fluctuates with a frequen
cy of 9.5 x 10(12) Hz, that is about the average frequency of the opti
cal phonons in Si. The (100) Si surface relaxes inward by 0.86 angstro
m, and a reduction of 19% in the first interlayer spacing is found.